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 as largely responsible for the connections between art and pop to be made explicit." Riley describes the cover as "one of the best-known works that pop art ever produced", while Norman calls it "the most famous album cover of all time". In the late 1990s, the BBC included the "Sgt. Pepper" cover in its list of British masterpieces of twentieth-century art and design, placing it ahead of the red telephone box, Mary Quant's miniskirt, and the Mini motorcar. In 2008, the bass drum skin used on the front cover sold at auction for €670,000. "Sgt. Pepper" sustained its immense popularity