Recorded at the A&R Studios, NYC, on August 29, 1969 (tracks A1, A2, B1, B2) and on September 2, 1969 (tracks A3, B3).
Chick Corea and Sonny Sharrock are on the left channel and Jack DeJohnette and John McLaughlin are on the right channel
Blue and white West Coast labels printed by Bert Co. with all caps "SIDE 1" with serif "1".
"Blue Note Records • A Division of Liberty Records, Inc." printed on both labels.