Tracks 1 to 10 original-LP issue: Slide Trombone Clef MGC 682
Tracks 11 and 12 previously unissued

4-panel cardboard gatefold cover
Limited edition of 5500 copies according to the hype sticker on the cover.
Sticker on the rear included the barcode and label code.

Recorded in Hackensack, NJ; October 18, 1957.