[2] The original version was performed by: Cannonball Adderley (alto saxophone), Nat Adderley (cornet), Joe Zawinul (piano, electric piano), Victor Gaskin (bass) and Roy McCurdy (drums).
The theme of the song is performed by Zawinul on a Wurlitzer electric piano previously used by Ray Charles.
[3] The first part of the theme is played twice and is completely made of notes from the major pentatonic scale of the first degree.
66 on the Cash Box Top 100 Singles chart on the week ending April 8.
Musicians on the Buckinghams' version included James Henderson, Lew McCreary and Richard Leith on trombone, Bill Peterson, Bud Childers on trumpet, John Johnson on sax, Lincoln Mayorga on Wurlitzer electric piano, Dennis Budimir on guitar, Carol Kaye on bass, and John Guerin on drums.