From the recording The New Birthday Song

Sitting around at a friend's birthday party dreading the start of the old birthday song.
I sat down with my friend, Beth Robinson, and wrote this new one.
I think it'll eventually surpass the other one.  Don't you?
It is available for download from iTunes

Lyrics

F
Happy Birthday to you
A
Happy Birthday to me
Dm G
Happy Birthday to ______________ 'cause it happens to be
F C F
His/her birthday.   Happy Birthday to you
C F
It's your birthday, your day to have some fun
G C
So C'mon everyone and sing to ___________