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a&r Earle Brown
coordinator [album coordination] Audrey Portnoy
design [album design] Ely Besalel
engineer [original recording engineer] Bob Woolford
liner notes Cornelius Cardew
liner notes Frederic Rzewski
mastered by [mastering] Gene Thompson
typography The Composing Room, Inc.
Record Company Mainstream Records, Inc.
For this occasion AMM Music was recorded at a concert given for the Crypt Programme in Notting Hill Gate, London, June 12th, 1968. The tape has been edited and interspersed with silence in accordance with a random number programme to give a representative cross-section of a concert lasting two hours.

A product of Mainstream Records, Inc.

First cat.nr. on cover, second on label, third on spine and inside cover.

Released in a gatefold cover.

The complete AMM session was later released on CD as The Crypt - 12th June 1968.

Most, if not all, copies of this record have the labels switched.
Matrix / Runout: KY 596 (Side A label)
Matrix / Runout: KY 597 (Side B label)