Gil Evans Orchestra
Chicago Jazz Festival
Chicago, IL
August 31, 1984
as broadcast live on Chicago's NPR FM station (see note below)

Gil Evans - keyboards
Lew Soloff, Miles Evans, Shunzo Ono - trumpets
Tom Malone - trombone
Howard Johnson - tuba, bass and baritone sax, bass clarinet
Bill Evans, Chris Hunter - saxes
Hiram Bollock - guitar
Peter Levin -synthesizer
Mark Egan - bass
Adam Nussbaum - drums

Total time: 42:05

01 // (Mingus composition) > Friday the 13th (Monk composition) > London (37:18)
02 intros/interview (4:46)

notes:
Recorded from a live FM broadcast by the late and much missed MM, who made a copy of his now-lost master onto a Fuji FR-II 90 cassette using Dolby C not too long afterwards. That copy was digitized in 2021.

This performance is not included in the following lists of official Gil Evans releases:

https://en.wikipedia.org/wiki/Gil_Evans
https://www.discogs.com/artist/255137-Gil-Evans
https://www.allmusic.com/artist/gil-evans-mn0000551815/discography