Happy, Happy Birthday Baby

The inspiration for the song came from Margo's then-boyfriend, Donald Clements, who was a member of a group called the Sophomores.

It was real," she recounted to Wayne Jancik in The Billboard Book of One-Hit Wonders.

"I'm On The Outside (Looking In)" by Little Anthony and the Imperials (#15 1964) appears inspired by the main tune of this song, and "Wasted Days and Wasted Nights" by Freddy Fender (#8 1975) appears inspired by the chorus of this song.

[citation needed] The track was originally released on the Casa Grande label.

It was later re-released on the Checker label, but this later version omitted the final four saxophone notes (at the coda) which were part of the song's signature.