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 peers", he continues, "what was revolutionary was the sonic carpet that enveloped the ears and sent the listener spinning into other realms." Stephen Thomas Erlewine of AllMusic considers the album to be a refinement of "Revolver"s "previously unheard-of level of sophistication and fearless experimentation" and a work that combines a wide range of musical styles yet "Not once does the diversity seem forced". He concludes: "After "Sgt. Pepper", there were no rules to follow – rock and pop bands could try anything, for better or worse." In 1987, Anthony DeCurtis of "Rolling Stone" described "Sgt. Pepper" as the album that