Revolution -- Unreleased versions of the song, including demos and outtakes, can be found on many bootleg albums such as "From Kinfauns to Chaos" and "Revolution", on which appears a twenty-three minute version of the song with Yoko Ono taking over vocals.
From the 1968 self titled album 'The Beatles', commonly known as 'The White Album' by its fans, 'Birthday' side three song 1, or side two song 1, or track 18 *lol*. In the Chorus
"I would like you to dance (Birthday)
Take a cha-cha-cha-chance (Birthday)
I would like you to dance (Birthday)
Dance"