Upon its release on June 1, 1967, Sgt. Pepper's Lonely Hearts Club Band became the popular face of psychedelia. Famously, Jimi Hendrix was playing the title track live within 48 hours of the album's release. It's remained a rock touchstone, with acts ranging from ELO and Styx to Animal Collective and Neutral Milk Hotel taking inspiration from its widescreen sound and fascinating textures.