One After 909 is a song by The Beatles, written primarily by John Lennon (credited to Lennon/McCartney) and originally released in 1970 (see 1970 in music) on the album Let It Be. The album version is the live performance from the rooftop concert which took place on 30 January 1969. This performance is also included in the Let It Be film. The song was written as early as 1957, and is one of the first Lennon-McCartney compositions. "One After 909" is included on 2003's Let It Be... Naked, a remixed and remastered version of the original 1970 session tapes.