Elvin Jones Jazz Machine
Chicago Jazz Festival
Chicago, IL
September 1, 1991
as broadcast live on WPFW-FM (Pacifica, Washington DC) (see note below)

total time 56:34

Elvin Jones - drums
Sonny Fortune - saxes
Ravi Coltrane - saxes
Willie Pickens - piano
Chip Jackson - bass

01 intros by MC and Elvin Jones (2:23)
02 EJ's Blues (19:36)
03 Ray-El (9:36)
04 Someone's Rocking My Jazz Boat (21:21)
05 outros and interviews (3:39)

notes:
Source 1 (for everything but the MC portion of 01, a tape flip patch in 04, and 05): WPFW-FM broadcast (1991) > Rotel receiver > Sony cassette deck > Sony UX Pro-90 cassette with Dolby C) > Sony TC-WR635S cassette deck (refurbished 2021) > PC > Goldwave > flac

Source 2 (for the MC portion of 01, a tape flip patch in 04, and 05): WPFW-FM broadcast (1991) > unknown receiver and cassette deck > Supertape Hi-Definition HD-60 cassette with no dolby > Sony TC-WR635S cassette deck (refurbished 2021) > PC > Goldwave > flac.

Thanks to the late and much missed RP and to his widow who gave me his master tape. His master tape was used for source 2.

This performance does not appear in these lists of Jones' official releases:

https://en.wikipedia.org/wiki/Elvin_Jones_discography
https://www.discogs.com/artist/135885-Elvin-Jones?page=3