歌词：Paul McCartney. Birthday.

You say it's your birthday, it's my birthday too, yeah
You say it's your birthday, we're gonna have a good time
I'm glad it's your birthday, happy birthday to you

Yes we're going to a party, party
Yes we're going to a party, party
Yes we're going to a party, party

I would like you to dance
(Birthday)
Take a cha-cha-cha-chance
(Birthday)
I would like you to dance
(Birthday)
Dance

You say it's your birthday, it's my birthday too, yeah
You say it's your birthday, we're gonna have a good time
I'm glad it's your birthday, happy birthday to you