Saw Altschul's Axiom 5 group (John Irabagon, Uri Caine, Mark Helias) at Big Ears this year. An excellent set!

Do you have the "Baggy's Rehearsal Sessions" on Dagger Records? It's literally the rehearsal tracks leading up to the Fillmore shows. They're very loose and the guys are obviously having a lot of fun. But the sound is good and there's some good material.

Doesn't he say that one "set" was put away, rather than a "deck"? This is from the first post: "Capitol ran two tape decks for this recording (and others). One set was assembled and used many 100s of times. The other was put away [...]"