Four sessions on a 2 CD set, all featuring Steve Lacy and Kent Carter: (1) DISPOSABILITY, the 1965 trio record with Aldo Romano of jazz standards, originals and free improv; (2) SORTIE, the 1966 free improv quartet + Enrico Rava album; (3) previously unissued 1967 'Free Fall' Film Cues in a quintet with Rava, Karl Berger, & Paul Motian; (4) two never issued '72 quintet pieces with Steve Potts, Irene Aebi on cello and Noel Mcghie.