1.
Electric piano
–
An electric piano is an electric musical instrument which produces sounds when a performer presses the keys of the piano-style musical keyboard. Unlike a synthesizer, the piano is not an electronic instrument. Instead, it is an electro-mechanical instrument, some early electric pianos used lengths of wire to produce the tone, like a traditional piano. Smaller electric pianos used short slivers of steel to produce the tone, the earliest electric pianos were invented in the late 1920s, the 1929 Neo-Bechstein electric grand piano was among the first. Probably the earliest stringless model was Lloyd Loars Vivi-Tone Clavier, a few other noteworthy producers of electric pianos include Baldwin Piano and Organ Company and the Wurlitzer Company. Early electric piano recordings include Duke Ellingtons in 1955 and Sun Ras India as well as tracks from the 1956 sessions included on his second album Super Sonic Jazz. Another factor driving their development and acceptance was the electrification of popular music. Musicians adopted a number of types of electric pianos for rock. This encouraged their manufacturers to modify them for use and then develop models primarily intended for stage use. However, some performers still perform and record with vintage electric pianos, in 2009, Fender Rhodes produced a new line of electro-mechanical pianos, known as the Rhodes Mark 7 followed by an offering from Vintage Vibe. The Neo-Bechstein electric piano was built in 1929, the Vierlang-Forster electric piano was introduced in 1937. The RCA Storytone electric piano was built in 1939 in a joint venture between Story & Clark and RCA, the case was designed by John Vassos, the American industrial designer. It debuted at the 1939 Worlds Fair, the piano has normal strings and hammer action but no soundboard. The sound is amplified through electromagnetic pickups, circuitry and a speaker system, many types were initially designed as a less-expensive alternative to an acoustic piano for home or school use. Some electric pianos were designed with multiple keyboards for use in school or college piano labs, electric piano is a heterogeneous category encompassing several different instruments which vary in their sound-producing mechanisms and consequent timbral characters. Yamaha, Baldwin, Helpinstill and Kawais electric pianos are actual grand or upright pianos with strings, the Helpinstill models have a traditional soundboard, the others have none, and are more akin to a solid-body electric guitar. On Yamaha, Baldwin and Kawais pianos, the vibration of the strings is converted to a signal by piezoelectric pickups under the bridge. Helpinstills instruments use a set of electromagnetic pickups attached to the instruments frame, all these instruments have a tonal character similar to that of an acoustic piano
2.
Rock music
–
It has its roots in 1940s and 1950s rock and roll, itself heavily influenced by blues, rhythm and blues and country music. Rock music also drew strongly on a number of genres such as electric blues and folk. Musically, rock has centered on the guitar, usually as part of a rock group with electric bass guitar. Typically, rock is song-based music usually with a 4/4 time signature using a verse-chorus form, like pop music, lyrics often stress romantic love but also address a wide variety of other themes that are frequently social or political in emphasis. Punk was an influence into the 1980s on the subsequent development of subgenres, including new wave, post-punk. From the 1990s alternative rock began to rock music and break through into the mainstream in the form of grunge, Britpop. Similarly, 1970s punk culture spawned the visually distinctive goth and emo subcultures and this trio of instruments has often been complemented by the inclusion of other instruments, particularly keyboards such as the piano, Hammond organ and synthesizers. The basic rock instrumentation was adapted from the blues band instrumentation. A group of musicians performing rock music is termed a rock band or rock group, Rock music is traditionally built on a foundation of simple unsyncopated rhythms in a 4/4 meter, with a repetitive snare drum back beat on beats two and four. Melodies are often derived from older musical modes, including the Dorian and Mixolydian, harmonies range from the common triad to parallel fourths and fifths and dissonant harmonic progressions. Critics have stressed the eclecticism and stylistic diversity of rock, because of its complex history and tendency to borrow from other musical and cultural forms, it has been argued that it is impossible to bind rock music to a rigidly delineated musical definition. These themes were inherited from a variety of sources, including the Tin Pan Alley pop tradition, folk music and rhythm, as a result, it has been seen as articulating the concerns of this group in both style and lyrics. Christgau, writing in 1972, said in spite of some exceptions, rock and roll usually implies an identification of male sexuality, according to Simon Frith rock was something more than pop, something more than rock and roll. Rock musicians combined an emphasis on skill and technique with the concept of art as artistic expression, original. The foundations of music are in rock and roll, which originated in the United States during the late 1940s and early 1950s. Its immediate origins lay in a melding of various musical genres of the time, including rhythm and blues and gospel music, with country. In 1951, Cleveland, Ohio disc jockey Alan Freed began playing rhythm and blues music for a multi-racial audience, debate surrounds which record should be considered the first rock and roll record. Other artists with rock and roll hits included Chuck Berry, Bo Diddley, Fats Domino, Little Richard, Jerry Lee Lewis
3.
Classical music
–
Classical music is art music produced or rooted in the traditions of Western music, including both liturgical and secular music. The central norms of this tradition became codified between 1550 and 1900, which is known as the common-practice period, Western staff notation is used by composers to indicate to the performer the pitches, tempo, meter and rhythms for a piece of music. This can leave less room for such as improvisation and ad libitum ornamentation. The term classical music did not appear until the early 19th century, the earliest reference to classical music recorded by the Oxford English Dictionary is from about 1836. This score typically determines details of rhythm, pitch, and, the written quality of the music has enabled a high level of complexity within them, J. S. The use of written notation also preserves a record of the works, Musical notation enables 2000s-era performers to sing a choral work from the 1300s Renaissance era or a 1700s Baroque concerto with many of the features of the music being reproduced. That said, the score does not provide complete and exact instructions on how to perform a historical work, even if the tempo is written with an Italian instruction, we do not know exactly how fast the piece should be played. Bach was particularly noted for his complex improvisations, during the Classical era, the composer-performer Mozart was noted for his ability to improvise melodies in different styles. During the Classical era, some virtuoso soloists would improvise the cadenza sections of a concerto, during the Romantic era, Beethoven would improvise at the piano. The instruments currently used in most classical music were largely invented before the mid-19th century and they consist of the instruments found in an orchestra or in a concert band, together with several other solo instruments. The symphony orchestra is the most widely known medium for music and includes members of the string, woodwind, brass. The concert band consists of members of the woodwind, brass and it generally has a larger variety and number of woodwind and brass instruments than the orchestra but does not have a string section. However, many bands use a double bass. Many of the used to perform medieval music still exist. Medieval instruments included the flute, the recorder and plucked string instruments like the lute. As well, early versions of the organ, fiddle, Medieval instruments in Europe had most commonly been used singly, often self accompanied with a drone note, or occasionally in parts. From at least as early as the 13th century through the 15th century there was a division of instruments into haut, during the earlier medieval period, the vocal music from the liturgical genre, predominantly Gregorian chant, was monophonic, using a single, unaccompanied vocal melody line. Polyphonic vocal genres, which used multiple independent vocal melodies, began to develop during the medieval era, becoming prevalent by the later 13th
4.
Baroque music
–
Baroque music is a style of Western art music composed from approximately 1600 to 1750. This era followed the Renaissance music era, and was followed in turn by the Classical era, Baroque music forms a major portion of the classical music canon, being widely studied, performed, and listened to. The Baroque period saw the creation of tonality, an approach to writing music in which a song or piece is written in a particular key, during the Baroque era, professional musicians were expected to be accomplished improvisers of both solo melodic lines and accompaniment parts. A characteristic Baroque form was the dance suite, while the pieces in a dance suite were inspired by actual dance music, dance suites were designed for listening, not for accompanying dancers. During the period, composers and performers used more elaborate ornamentation, made changes in musical notation. Many musical terms and concepts from this era, such as toccata, fugue, dense, complex polyphonic music, in which multiple independent melody lines were performed simultaneously, was an important part of many Baroque choral and instrumental works. The word baroque comes from the Portuguese word barroco, meaning misshapen pearl, the term Baroque is generally used by music historians to describe a broad range of styles from a wide geographic region, mostly in Europe, composed over a period of approximately 150 years. The systematic application by historians of the baroque to music of this period is a relatively recent development. In 1919, Curt Sachs became the first to apply the five characteristics of Heinrich Wölfflins theory of the Baroque systematically to music, all of these efforts resulted in appreciable disagreement about time boundaries of the period, especially concerning when it began. In English the term acquired currency only in the 1940s, in the writings of Bukofzer, nevertheless, the term has become widely used and accepted for this broad range of music. It may be helpful to distinguish the Baroque from both the preceding and following periods of musical history, the Baroque period is divided into three major phases, early, middle, and late. Although they overlap in time, they are dated from 1580 to 1630, from 1630 to 1680. In reference to music, they based their ideals on a perception of Classical musical drama that valued discourse, the early realizations of these ideas, including Jacopo Peris Dafne and LEuridice, marked the beginning of opera, which were a catalyst for Baroque music. Concerning music theory, the widespread use of figured bass represents the developing importance of harmony as the linear underpinnings of polyphony. Harmony is the end result of counterpoint, and figured bass is a representation of those harmonies commonly employed in musical performance. With figured bass, numbers, accidentals or symbols were placed above the bassline that was read by keyboard instrument players such as players or pipe organists. The numbers, accidentals or symbols indicated to the player what intervals she should play above each bass note. The keyboard player would improvise a chord voicing for each bass note and this led to the idea that certain sequences of chords, rather than just notes, could provide a sense of closure at the end of a piece—one of the fundamental ideas that became known as tonality
5.
Harpsichord
–
A harpsichord is a musical instrument played by means of a keyboard. It produces sound by plucking a string when a key is pressed, Harpsichord designates the whole family of similar plucked keyboard instruments, including the smaller virginals, muselar, and spinet. The harpsichord was used in Renaissance and Baroque music. During the late 18th century, it disappeared from the musical scene with the rise of the piano. In the 20th century, it made a resurgence, being used in historically informed performances of music, in compositions. Harpsichords vary in size and shape, but all have the basic functional arrangement. The player depresses a key that rocks over a pivot in the middle of its length, the other end of the key lifts a jack that holds a small plectrum, which plucks the string. When the player releases the key, the far end returns to its rest position, the plectrum, mounted on a tongue that can swivel backwards away from the string, passes the string without plucking it again. As the key reaches its rest position, a felt damper atop the jack stops the strings vibrations and these basic principles are explained in detail below. The keylever is a pivot, which rocks on a balance pin that passes through a hole drilled through the keylever. The jack is a thin, rectangular piece of wood that sits upright on the end of the keylever, the jacks are held in place by the registers. These are two strips of wood, which run in the gap between pinblock and bellyrail. The registers have rectangular mortises through which the pass as they can move up. The registers hold the jacks in the location needed to pluck the string. In the jack, a plectrum juts out almost horizontally and passes just under the string, historically, plectra were made of bird quill or leather, many modern harpsichords have plastic plectra. When the front of the key is pressed, the back of the key rises, the jack is lifted, the vertical motion of the jack is then stopped by the jackrail, which is covered with soft felt to muffle the impact. When the key is released, the falls back down under its own weight. This is made possible by having the plectrum held in a tongue attached with a pivot and a spring to the body of the jack
6.
French horn
–
The French horn is a brass instrument made of tubing wrapped into a coil with a flared bell. The double horn in F/B♭ is the horn most often used by players in professional orchestras, a musician who plays any kind of horn is generally referred to as a horn player. Most horns have lever-operated rotary valves, but some, especially older horns, use piston valves, the backward-facing orientation of the bell relates to the perceived desirability to create a subdued sound, in concert situations, in contrast to the more piercing quality of the trumpet. A horn without valves is known as a horn, changing pitch along the natural harmonics of the instrument. Pitch may also be controlled by the position of the hand in the bell, the pitch of any note can easily be raised or lowered by adjusting the hand position in the bell. Three valves control the flow of air in the single horn, the more common double horn has a fourth valve, usually operated by the thumb, which routes the air to one set of tubing tuned to F or another tuned to B♭. Triple horns with five valves are made, tuned in F, B♭. Also common are descant doubles, which typically provide B♭ and alto F branches and this configuration provides a high-range horn while avoiding the additional complexity and weight of a triple. A crucial element in playing the horn deals with the mouthpiece, when playing higher notes, the majority of players exert a small degree of additional pressure on the lips using the mouthpiece. It is the goal of all serious brass musicians to develop their technique such that additional mouthpiece pressure is avoided altogether, or at the very least, the name French horn is found only in English, first coming into use in the late 17th century. At that time, French makers were preeminent in the manufacture of hunting horns, as a result, these instruments were often called, even in English, by their French names, trompe de chasse or cor de chasse. The International Horn Society has recommended since 1971 that the instrument be simply called the horn, there is also a more specific use of French horn to describe a particular horn type, differentiated from the German horn and Vienna horn. In this sense, French horn refers to an instrument with three Périnet valves. It retains the narrow bell-throat and mouthpipe crooks of the orchestral hand horn of the late 18th century, and most often has an ascending third valve. This is a whole-tone valve arranged so that with the valve in the up position the valve loop is engaged, the horn is the third-highest-sounding instrument in the brass family, below the trumpet and the cornet. Horns are mostly tuned in B♭ or F, or a combination of both, in some traditions, novice players use a single horn in F, while others prefer the B♭ horn. The F horn is used more commonly than the B♭ horn, sound is produced by vibrating the players lips into the mouthpiece of the instrument. Different partials in the series can be played by adjusting the air pressure and lip tension
7.
Oboe
–
Oboes /ˈoʊboʊ/ OH-boh are a family of double reed woodwind musical instruments. The most common oboe plays in the treble or soprano range, oboes are usually made of wood, but there are also oboes made of synthetic materials. A soprano oboe measures roughly 65 cm long, with keys, a conical bore. Sound is produced by blowing into the reed and vibrating a column of air, the distinctive oboe tone is versatile, and has been described as bright. When the term oboe is used alone, it is taken to mean the standard treble instrument rather than other instruments of the family. In English, prior to 1770, the instrument was called a hautbois, hoboy. The spelling of oboe was adopted into English c.1770 from the Italian oboè, a musician who plays the oboe is called an oboist or simply an oboe player. In comparison to other woodwind instruments, the treble oboe is sometimes referred to as having a clear. The Sprightly Companion, a book published by Henry Playford in 1695, describes the oboe as Majestical and Stately. Humorously, the sound of the oboe is described in the play Angels in America as like that of a if the duck were a songbird. The rich timbre of the oboe is derived from its conical bore, as a result, oboes are readily audible over other instruments in large ensembles. The highest note of the oboe is a lower than the nominally highest note of the B♭ clarinet. Since the clarinet has a range of notes, the lowest note of the B♭ clarinet is significantly deeper than the lowest note of the oboe. Music for the oboe is written in concert pitch. Orchestras normally tune to a concert A played by the oboe, according to the League of American Orchestras, this is done because the pitch of the oboe is secure and its penetrating sound makes it ideal for tuning purposes. The pitch of the oboe is affected by the way in which the reed is made. The reed has a significant effect on the sound of the instrument, Variations in cane and other construction materials, the age of the reed, and differences in scrape and length all affect the pitch of the instrument. German and French reeds, for instance, differ in many ways, weather conditions such as temperature and humidity also affect the pitch
8.
Progressive rock
–
Progressive rock is a broad subgenre of rock music that developed in the United Kingdom and United States throughout the mid to late 1960s. Prog is based on fusions of styles, approaches and genres, Prog saw a high level of popularity in the early-to-mid 1970s, but faded soon after. Conventional wisdom holds that the rise of rock caused this. Music critics, who labelled the concepts as pretentious and the sounds as pompous and overblown. Early groups who exhibited progressive features are described as proto-prog. In 1967, progressive rock constituted a diversity of loosely associated style codes, the Canterbury scene, originating in the late 1960s, denoted a subset of prog bands who emphasised the use of wind instruments, complex chord changes and long improvisations. Rock in Opposition, from the late 1970s, was more avant-garde, in the 1980s, a new subgenre, neo-progressive rock, enjoyed some commercial success, although it was also accused of being derivative and lacking in innovation. Post-progressive draws upon newer developments in music and the avant-garde since the mid 1970s. The term progressive rock is synonymous with art rock, classical rock, historically, art rock has been used to describe at least two related, but distinct, types of rock music. Similarities between the two terms are that they describe a mostly British attempt to elevate rock music to new levels of artistic credibility. However, art rock is likely to have experimental or avant-garde influences. Prog was devised in the 1990s as a term, but later became a transferable adjective. Although a unidirectional English progressive style emerged in the late 1960s, by 1967, critics of the genre often limit its scope to a stereotype of long solos, overlong albums, fantasy lyrics, grandiose stage sets and costumes, and an obsessive dedication to technical skill. Author Kevin Holm-Hudson believes that rock is a style far more diverse than what is heard from its mainstream groups. They each do so largely unconsciously, academic John S. Cotner contests Macans view that progressive rock cannot exist without the continuous and overt assimilation of classical music into rock. Debate about the criteria and scope of the genre continues in the 2010s. In early references to the music, progressive was partly related to progressive politics, Cotner also says that progressive rock incorporates both formal and eclectic elements, It consists of a combination of factors – some of them intramusical, others extramusical or social. One way of conceptualising rock and roll in relation to music is that progressive music pushed the genre into greater complexity while retracing the roots of romantic
9.
The Beatles
–
The Beatles were an English rock band, formed in Liverpool in 1960. With members John Lennon, Paul McCartney, George Harrison and Ringo Starr, the Beatles built their reputation playing clubs in Liverpool and Hamburg over a three-year period from 1960, with Stuart Sutcliffe initially serving as bass player. The core of Lennon, McCartney and Harrison went through a succession of drummers, including Pete Best, before asking Starr to join them. They acquired the nickname the Fab Four as Beatlemania grew in Britain the next year, from 1965 onwards, the Beatles produced increasingly innovative recordings, including the albums Rubber Soul, Revolver, Sgt. Peppers Lonely Hearts Club Band, The Beatles and Abbey Road, after their break-up in 1970, they each enjoyed successful musical careers of varying lengths. McCartney and Starr, the members, remain musically active. Lennon was shot and killed in December 1980, and Harrison died of cancer in November 2001. The Beatles are the band in history, with estimated sales of over 600 million records worldwide. They have had more number-one albums on the British charts and sold more singles in the UK than any other act, according to the RIAA, the Beatles are also the best-selling music artists in the United States, with 178 million certified units. In 2008, the group topped Billboard magazines list of the all-time most successful Hot 100 artists, as of 2016 and they have received ten Grammy Awards, an Academy Award for Best Original Song Score and fifteen Ivor Novello Awards. The group was inducted into the Rock and Roll Hall of Fame in 1988 and they were also collectively included in Time magazines compilation of the twentieth centurys 100 most influential people. In March 1957, John Lennon, then aged sixteen, formed a group with several friends from Quarry Bank school. They briefly called themselves the Blackjacks, before changing their name to the Quarrymen after discovering that a local group was already using the other name. Fifteen-year-old Paul McCartney joined as a rhythm guitarist shortly after he, in February 1958, McCartney invited his friend George Harrison to watch the band. The fourteen-year-old auditioned for Lennon, impressing him with his playing, after a month of Harrisons persistence, they enlisted him as their lead guitarist. By January 1959, Lennons Quarry Bank friends had left the group, the three guitarists, billing themselves at least three times as Johnny and the Moondogs, were playing rock and roll whenever they could find a drummer. They used the name until May, when they became the Silver Beetles, before undertaking a tour of Scotland as the backing group for pop singer. By early July, they had changed their name to the Silver Beatles, allan Williams, the Beatles unofficial manager, arranged a residency for them in Hamburg, but lacking a full-time drummer they auditioned and hired Pete Best in mid-August 1960
10.
Punk rock
–
Punk rock is a rock music genre that developed in the early to mid-1970s in the United States, United Kingdom, and Australia. Rooted in 1960s garage rock and other forms of what is now known as proto-punk music, Punk bands typically produced short or fast-paced songs, with hard-edged melodies and singing styles, stripped-down instrumentation, and often political, anti-establishment lyrics. Punk embraces a DIY ethic, many bands self-produce recordings and distribute them through informal channels, the term punk was first used in relation to rock music by some American critics in the early 1970s, to describe garage bands and their devotees. The following year saw punk rock spreading around the world, for the most part, punk took root in local scenes that tended to reject association with the mainstream. An associated punk subculture emerged, expressing youthful rebellion and characterized by distinctive styles of clothing and adornment, by the beginning of the 1980s, faster, more aggressive styles such as hardcore and street punk had become the predominant mode of punk rock. Musicians identifying with or inspired by punk also pursued a range of other variations, giving rise to post-punk. At the end of the 20th century, punk rock had been adopted by the mainstream, as pop punk and punk bands such as Green Day. The first wave of rock was aggressively modern, distancing itself from the bombast. According to Ramones drummer Tommy Ramone, In its initial form, unfortunately, what happens is that people who could not hold a candle to the likes of Hendrix started noodling away. Soon you had endless solos that went nowhere, by 1973, I knew that what was needed was some pure, stripped down, no bullshit rock n roll. In critic Robert Christgaus description, It was also a subculture that rejected the political idealism. Technical accessibility and a DIY spirit are prized in punk rock, in the early days of punk rock, this ethic stood in marked contrast to what those in the scene regarded as the ostentatious musical effects and technological demands of many mainstream rock bands. Musical virtuosity was often looked on with suspicion, according to Holmstrom, punk rock was rock and roll by people who didnt have very many skills as musicians but still felt the need to express themselves through music. In December 1976, the English fanzine Sideburns published an illustration of three chords, captioned This is a chord, this is another, this is a third. The title of a 1980 single by the New York punk band Stimulators, inscribed a catchphrase for punks basic musical approach. The previous year, when the rock revolution began in Great Britain, was to be both a musical and a cultural Year Zero. As a Clash associate describes singer Joe Strummers outlook, Punk rock is meant to be our freedom, were meant to be able to do what we want to do. Scholar Daniel S. Traber argues that attaining authenticity in the identity can be difficult, as the punk scene matured, he observes
11.
Disco
–
Disco is a genre of dance music containing elements of funk, soul, pop, and salsa. It achieved popularity during the mid-1970s to the early 1980s, Disco can be seen as a reaction against both the domination of rock music and the stigmatization of dance music by the counterculture during this period. It was popular with men and women, from many different backgrounds. The disco sound often has several components, a beat, an eighth note or 16th note hi-hat pattern with an open hi-hat on the off-beat. In most disco tracks, string sections, horns, electric piano, Orchestral instruments such as the flute are often used for solo melodies, and lead guitar is less frequently used in disco than in rock. Many disco songs use electronic synthesizers, particularly in the late 1970s, well-known 1970s disco performers included Donna Summer, the Bee Gees, Boney M. KC and the Sunshine Band, The Trammps, Sylvester, Village People, Gloria Gaynor and Chic. While performers and singers garnered much attention, record producers working behind the scenes played an important role in developing the disco sound. Many non-disco artists recorded songs at the height of discos popularity. Disco was the last mass popular movement that was driven by the baby boom generation. Disco was a phenomenon, but its popularity drastically declined in the United States in 1980. Disco Demolition Night, an anti-disco protest held in Chicago on 12 July 1979, is thought of as a factor in discos fast. By the late 1970s most major U. S. cities had thriving disco club scenes, Studio 54, a venue popular amongst celebrities, is a well-known example of a disco club. Popular dances included the Hustle, a suggestive dance. Discotheque-goers often wore expensive, extravagant and sexy fashions, Disco clubs were also associated with promiscuity. Disco was a key influence on the 1980s electronic dance style called house. The term is derived from discothèque, by the early 1940s, the terms disc jockey and DJ were in use to describe radio presenters. During WWII, because of restrictions set in place by the Nazi occupiers, eventually more than one of these jazz venues had the proper name discothèque. By 1959, the term was used in Paris to describe any of these type of nightclubs and that year a young reporter named Klaus Quirini started to select and introduce records at the Scotch-Club in Aachen, West Germany
12.
Hard rock
–
Hard rock is a loosely defined subgenre of rock music that began in the mid-1960s, with the garage, psychedelic and blues rock movements. It is typified by a use of aggressive vocals, distorted electric guitars, bass guitar, drums. Hard rock developed into a form of popular music in the 1970s, with bands such as The Who, Led Zeppelin, Queen, Black Sabbath, Deep Purple, Aerosmith, AC/DC. During the 1980s, some rock bands moved away from their hard rock roots and more towards pop rock. Hard rock began losing popularity with the success of R&B, hip-hop, urban pop, grunge. Out of this movement came garage rock bands like The White Stripes, The Strokes, Interpol and, later on, in the 2000s, only a few hard rock bands from the 1970s and 1980s managed to sustain highly successful recording careers. Hard rock is a form of loud, aggressive rock music, the electric guitar is often emphasised, used with distortion and other effects, both as a rhythm instrument using repetitive riffs with a varying degree of complexity, and as a solo lead instrument. Drumming characteristically focuses on driving rhythms, strong drum and a backbeat on snare. The bass guitar works in conjunction with the drums, occasionally playing riffs, vocals are often growling, raspy, or involve screaming or wailing, sometimes in a high range, or even falsetto voice. In the late 1960s, the heavy metal was used interchangeably with hard rock. Heavy metal took on darker characteristics after Black Sabbaths breakthrough at the beginning of the 1970s, in the 1980s it developed a number of subgenres, often termed extreme metal, some of which were influenced by hardcore punk, and which further differentiated the two styles. Despite this differentiation, hard rock and heavy metal have existed side by side, with bands frequently standing on the boundary of, other antecedents include Link Wrays instrumental Rumble in 1958, and the surf rock instrumentals of Dick Dale, such as Lets Go Trippin and Misirlou. In the 1960s, American and British blues and rock bands began to rock and roll by adding harder sounds, heavier guitar riffs, bombastic drumming. From the late 1960s, it common to divide mainstream rock music that emerged from psychedelia into soft. Soft rock was often derived from rock, using acoustic instruments and putting more emphasis on melody. In contrast, hard rock was most often derived from rock and was played louder. Blues rock acts that pioneered the sound included Cream, The Jimi Hendrix Experience, Cream, in songs like I Feel Free combined blues rock with pop and psychedelia, particularly in the riffs and guitar solos of Eric Clapton. Jimi Hendrix produced a form of blues-influenced psychedelic rock, which combined elements of jazz, blues and rock, from 1967 Jeff Beck brought lead guitar to new heights of technical virtuosity and moved blues rock in the direction of heavy rock with his band, The Jeff Beck Group
