The Beatles released the U.S. single of "Get Back" backed with "Don't Let Me Down" 55 years ago this Sunday, May 5th, 1969.
It was a standalone single until is twas remixed and before appearing as the closing track on their Let It Be album, which was released in the UK a year and three days later -- May 8th, 1970. The U.S. release was May 18th, 1970.
It was written and sung by Paul McCartney, but credited to Lennon-McCartney, with Paul saying in the song's press release that, "We were sitting in the studio, and we made it up out of thin air ... we started to write words there and then ... when we finished it, we recorded it at Apple Studios and made it into a song to roller-coast by."
Credited to the band "With Billy Preston" on keyboards, it topped the Billboard Hot 100 for five weeks.