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 idea convincing to most ears." Author Martina Elicker similarly writes that, despite earlier examples, it was "Sgt. Pepper" that familiarised critics and listeners with the notion of a "concept and unified structure underlying a pop album", thus originating the term "concept album". Carys Wyn Jones locates "Pet Sounds" and "Sgt. Pepper" to the beginning of art rock; Julien considers the latter a "masterpiece of British psychedelia". According to historian David Simonelli, "Sgt. Pepper" established the standard for rock musicians, particularly British acts, to strive towards in their self-identification as artists rather than pop stars, whereby, as in the Romantic tradition,