Collage In music, with the advances on recording technology, avant-garde artists started experimenting with cutting and pasting since the middle of the twentieth century. In the 1960s, George Martin created collages of recordings while producing the records of The Beatles. In 1967 pop artist Peter Blake made the collage for the cover of the Beatles seminal album "Sgt. Pepper's Lonely Hearts Club Band". In the 1970s and 1980s, the likes of Christian Marclay and the group Negativland reappropriated old audio in new ways. By the 1990s and 2000s, with the popularity of the sampler, it became apparent that "musical collages" had
Sgt. Pepper's Lonely Hearts Club Band in the Life" as the "Sgt. Pepper" track that best exemplifies this approach. In his book on ambient music, "The Ambient Century: From Mahler to Moby", Mark Prendergast describes the album as the Beatles' "homage" to Stockhausen and Cage, adding that its "rich, tape-manipulated sound" shows the influence of electronic and experimental composer Pierre Schaeffer. The musician and producer Alan Parsons believes that with "Sgt. Pepper" "people then started thinking that you could spend a year making an album and they began to consider an album as a sound composition and not just a musical composition. The idea was gradually