After deciding to disband after a final tour, the trio recorded numerous performances in order to release a final live album.

Their current label, Decca Records, declined to release Once Upon a Time.

It wasn't until 1969 that it was eventually released on Tetragrammaton Records.

[1] This compilation consists of recordings from their final performances at the Sahara Tahoe hotel.

The Allmusic review commented on the similarity with Once Upon a Time and noted the minor differences between the two releases and concluded this release was for "die-hard collectors only.