Sooner or Later is a Ricky Segall song.
In real life[]
The song was written by Rick Segall and can be found on Ricky Segall & the Segalls. It was released as a single, with Say Hey, Willie as the B-side.
On the series[]
In Hate Thy Neighbor, the Partridge Family invites Ricky Stevens onto the bandshell after their performance. Keith Partridge asks Ricky if he wants to sing. Ricky says that he does, even though he's nervous. He sings "Sooner or Later."