Paul McCartney February 1967, and the LP followed in June. McCartney's "She's Leaving Home" was an orchestral pop song. MacDonald described the track as "[among] the finest work on "Sgt. Pepper"—imperishable popular art of its time". Based on an ink drawing by McCartney, the LP's cover included a collage designed by pop artists Peter Blake and Jann Haworth, featuring the Beatles in costume as the Sgt. Pepper's Lonely Hearts Club Band, standing with a host of celebrities. The heavy moustaches worn by the Beatles reflected the growing influence of hippie style trends on the band, while their clothing "spoofed the vogue in
Sgt. Pepper's Lonely Hearts Club Band placement of random gibberish in the run-out groove, is one of the album's defining features. In Mark Lewisohn's opinion, "Sgt. Pepper" represents the group's last unified effort, displaying a cohesion that would begin deteriorating immediately following the album's completion and that had entirely disappeared by the release of "The Beatles" in 1968. Martin recalled in 1987 that throughout the making of "Sgt. Pepper", "There was a very good spirit at that time between all the Beatles and ourselves. We were all conscious that we were doing something that was great." He said that while McCartney effectively led the project, and