When I was starting at Delmark AB was in the army. When he returned I included him on the first Muhal Richard Abrams date - I quit my job before the first session but set it up. Though Koester and I were "enemies" at the time of the session, Muhal insisted I be a "guest" in the studio for the date.
Delmark then signed a contract with Braxton and he recorded for them 'til he left for France (and beyond, since he and Jarman sent back tapes for their duo date).
Anthony did play on a couple of Roscoe's sessions for me but that's it so far.
Last time I spoke to Anthony on the phone (while I was doing the For Alto reissue in 2000) he said "Hey, when am I going to get to do a Nessa?".
I hope to have the opportunity.