EMI EAC-80227 (LP) John Cage: Three Dances - Steve Reich: Four Organs

Side 1:
John Cage: Three Dances for Two Prepared Pianos (1944-45)
arranged for two amplified prepared pianos 6:29-7:07-8:52=22:28
Side 2:
Steve Reich: Four Organs 24:13

Michael Tilson Thomas and Ralph Grierson, pianos and organs; Roger Kellaway and Steve Reich, organs; Tom Raney, maracas

Recording details unknown
Also released on LP: Angel S-36059.
In 2002 re-released on CD: Angel Classics 67691-2. Three Dances currently available on CD: EMI Classics 6 71322 8 Dance No.1 currently available on CD (2009): EMI 2 68132 2
LP released in 1973

Source: eBay