Recorded during August 1978 (Books 1 and 2) and during November/December 1982 (Books 3 and 4) at Vanguard Recording Studios,
New York City
Books 1 and 2 originally released on LP Tomato TOM-2-1101 and
cassette Tomato CA-TOM 2-1101, as well as
LP Tomato TOM 300841. Also re-released on
LP Wergo WER 60152-60153. These recordings are
currently available on LP:
Get Back GET 419.
The complete cycle is currently available on CD: Wergo WER 6152-2
This LP released in 1987.
Sources: Original LP and Paul van Emmerik: Diskographie in "John Cage - Musik-Konzepte Sonderband II"