At the insistence of Columbia Records, both "Why" and "Eight Miles High" were re-recorded at Columbia Studios, Hollywood on January 24 and 25, 1966, under the watchful eye of producer Allen Stanton, and it was these recordings that were included on the single [REF].
Following its release on the B-side of the "Eight Miles High" single, Crosby chose to revive the song during recording sessions for The Byrds' fourth album, Younger Than Yesterday [REF].