La Monte Young & Marian Zazeela,
31 VII 69 10:26 - 10:49 PM / 23 VIII 64 2:50:45 - 3:11 AM
The Volga Delta (The Black Album)

LP, Edition X Munich 1969, numbered edition of 423/2800

The cover is black gloss print on matt black and very hard to read. 

Side A: This work was recorded at the date and time indicated in the title, at Galerie Heiner Friedrich, München 31 VII 69 10:26-10:49 PM - is a section of the longer work: Map Of 49's Dream The Two Systems Of Eleven Sets Of Galactic Intervals Ornamental Lightyears Tracery. Play this side at 33 1/3 rpm only. 

Side B: We recorded this gong duet in our studio in New York City on the date and time indicated in the title. It is a section of a larger work: Studies In The Bowed Disc begun in September 1968. To listen to the live performance, playback at 33 1/3 rpm. However, this side may be played back at any slower constant speed down to 8 1/3 rpm, i.e., 16 2/3 rpm which is available on some turntables.