The Beatles fans' screams. 'Live Beatles' and 'Studio Beatles' had become entirely different beasts." The band's concert at San Francisco's Candlestick Park on 29 August was their last commercial concert. It marked the end of a four-year period dominated by almost nonstop touring that included over 1,400 concert appearances internationally. Freed from the burden of touring, the Beatles embraced an increasingly experimental approach as they recorded "Sgt. Pepper's Lonely Hearts Club Band", beginning in late November 1966. According to engineer Geoff Emerick, the album's recording took over 700 hours. He recalled the band's insistence "that everything on "Sgt. Pepper" had to be
The Beatles' rooftop concert the Beatles once again in top form, if only temporarily. Fans believed the rooftop concert might have been a try-out for a return to live performances and touring. The Rutles' "Get Up and Go" sequence in the film "All You Need Is Cash" mimics the footage of the rooftop concert, and uses similar camera angles. In January 2009, tribute band the Bootleg Beatles attempted to stage a 40th anniversary concert in the same location, but were refused permission by Westminster City Council due to licensing problems. In "The Simpsons" fifth season episode "Homer's Barbershop Quartet", the Be Sharps (Homer, Apu,