The album documents a two nights performance promoted by saxophonist and journalist
Bill Smith, co-founder of
Sackville Records, at A Space, an artist-run gallery in downtown
Toronto. The quartet is a chamber-like ensemble composed of Mitchell, pianist
Muhal Richard Abrams, co-founder of the
AACM, trombonist
George E. Lewis, a 23-year-old in his debut recording, and Detroit-native guitarist Spencer Barefield. Mitchell is strongly associated with the influence of "classical" avant-garde, both European and American. If the
Art Ensemble of Chicago formed a key part of Mitchell's expression, this band and later versions of their Sound Ensemble would permit him to emphasize the purely sonic interest of his earlier work. ==Music==