This jazz number was originally recorded by the Cannonball Adderley Quintet as an instrumental ( https://www.youtube.com/watch?v=H7jqyBq9hes ) and featured the song’s writer Joe Zawinul on electric piano.
Pop Chart Peaks: Billboard & Cash Box 5, Record World 7
45 single issued on Columbia 44182 - Mercy., Mercy, Mercy (J. Zawinul) by The Buckinghams, arranged & produced by James William Guercio