 In July 1968 , the Beatles moved Apple Corps , their multimedia corporation , into 3 Savile Row . A studio was built in the basement ; though it was poorly designed , the Beatles recorded Let It Be there before a new studio was constructed in 1971 at an estimated cost of $ 1 @.@ 5 million . Various artists , including Badfinger , Mary Hopkin , and Marc Bolan recorded in the basement studio until it closed in May 1975 . The Beatles ' final live performance , known as the " rooftop concert " , was held on the roof of the building , on 30 January 1969 , and was recorded for the documentary film Let It Be ; the last words of the band , spoken by John Lennon as the police stopped the performance , were " I hope we passed the audition . " 
