One of a series of pianist Thollem McDonas' Astral Traveling Sessions, a 25-album series of concerts from around the globe, performing concerts in varying configurations with 70 musicians, here with two collaborations: in Kingston, NY with the great vibraphonist Karl Berger for 3 improvisations, and in Toronto with pianist Michael Snow for an extended piano duo.

Following a 1964 Albert Ayler tour, trumpeter Don Cherry remained in Europe, working on new concepts of improvising based on form itself, developing his concepts with saxophonist Gato Barbieri, vibraphonist Karl Berger & bassist J.F. Jenny Clark, composing two brilliant albums: 1966's Communion with Barbieri, Henry Grimes & Ed Blackwell; and in 1967 Symphony for Improvisers as a septet.

Subtle, beautiful, haunting, masterful and delicately commanding, the duo of pianist and vibraphonist Karl Berger and Jason Kao Hwang on violin and viola recorded these 8 dialogs in Berger's Woodstock studio, their familiarity from Hwang's participation in Berger's Creative Music Orchestra summoning lyrical and sensitive music, finding profundity in restraint.