Rock music
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Rock music is a genre of popular music that originated in the United States as "rock and roll" in the late 1940s and early 1950s, developing into a range of styles from the late 50s to mid-1960s, prim
The rock band Red Hot Chili Peppers at the Pinkpop Festival in 2006
Chuck Berry in a 1958 publicity photo
Elvis Presley in a promotion shot for Jailhouse Rock in 1957
British rock and roll singer Tommy Steele in a 1958 promotional photo
Progressive rock
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Progressive rock is a broad genre of rock music that primarily developed in the United States and United Kingdom through the mid- to late 1960s. Initially termed "progressive pop", the style emerged f
The Beatles rehearsing in the studio with producer George Martin, 1966
Pink Floyd performing The Dark Side of the Moon (1973), the best-selling album of the entire progressive rock period
Emerson, Lake & Palmer were one of the most commercially successful progressive rock bands of the 1970s. They are seen here performing in 1992.
King Crimson's Robert Fripp believed that the prog movement had gone "tragically off course".