Post-rock is a form of experimental rock characterized by a focus on exploring textures and timbres, as well as non-rock styles, with less emphasis on conventional song structures or riffs. Post-rock artists typically combine rock instrumentation with electronics. The genre emerged within the indie and underground music scene of the 1980s and early 1990s. However, due to its abandonment of rock conventions, it began to increasingly show little resemblance musically to conventional indie rock at the time, borrowing instead from diverse sources including ambient, electronica, jazz, krautrock, dub, and minimalist classical, with these influences also being pivotal for the style of ambient pop.
Post-rock group Sigur Rós performing at a 2005 concert in Reykjavík.
Post-rock group Mogwai performing at a 2007 concert.
Post-rock group Do Make Say Think performing at a May 2007 concert.
Experimental rock, also called avant-rock, is a subgenre of rock music that pushes the boundaries of common composition and performance technique or which experiments with the basic elements of the genre. Artists aim to liberate and innovate, with some of the genre's distinguishing characteristics being improvisational performances, avant-garde influences, odd instrumentation, opaque lyrics, unorthodox structures and rhythms, and an underlying rejection of commercial aspirations.
The Beatles working in the studio with their producer George Martin, c. 1965
Frank Zappa with Captain Beefheart, seated left, during a 1975 concert
Sonic Youth perform in Sweden in 2005.