- May 3 World premiere of The Beatles' "Let it Be" documentary film directed by Michael Lindsay-Hogg, in New York City
- May 8 Beatles release 12th, and final, studio album, "Let It Be", in conjunction with the film of the same name
- May 11 "The Long and Winding Road" becomes Beatles' last American single release
Music History
May 16 "Grover Henson Feels Forgotten" by Bill Cosby hits #70
Music History
May 17 Anonymous buyer purchases one of the pairs of ruby slippers worn by Judy Garland in "The Wizard of Oz" for $15,000 at MGM Studio auction, and donates them to the Smithsonian Institution
- May 18 Beatles' last released LP, "Let It Be", released in US
- May 20 The Beatles' "Let it Be" documentary film directed by Michael Lindsay-Hogg, premieres at the Liverpool Gaumont Cinema and the London Pavilion; none of the group attend
- May 23 Grateful Dead's 1st performance outside US, as part of 'The Hollywood Rock Music Festival', in Newcastle under Lyme, England
- May 24 British guitarist Peter Green quits Fleetwood Mac to join a religious cult
- May 30 "Minnie's Boys" closes at Imperial Theater NYC after 80 performances