Cecil Taylor
Blues Alley
Washington DC
October 23, 1977 (first set)
mono audience recording using unknown gear > ? > Capitol "The Music Tape" cassette (circa 1980) > Flac (2021). The stronger channel has been pasted over the weaker channel to create a true mono version of this mono recording.

Cecil Taylor (piano)

total time 65:37

1 applause > solo piano improvisation > applause and outro (65:37)

note:
This performance is not included in the following lists of Cecil Taylor's official releases:

https://en.wikipedia.org/wiki/Cecil_Taylor_discography
https://www.discogs.com/artist/195812-Cecil-Taylor