 Both songs on the Beefeaters' single featured McGuinn, Clark and Crosby, along with "Wrecking Crew" session musicians Ray Pohlman on bass and Earl Palmer on drums.Soon after, the Jet Set expanded their ranks to include drummer Michael Clarke and bass player Chris Hillman.The rehearsal and recording sessions at World Pacific studios came to a close when the Jet Set (soon to be renamed the Byrds) signed a recording contract with Columbia Records on November 10, 1964.