Master soprano saxophonist Steve Lacy's profound influence on the avant garde can be traced back to this phenomenal session with trumpeter Enrico Rava, bassist Johnny Dyani & drummer Louis T. Moholo. This is a pivotal recording in Lacy's career, and his involvement in avant garde jazz began with this historical album recorded live in Buenos Aires in 1966. (Previously deleted: 12/1/04. Original street date: 4/12/02)