(2-CD set) 14 previously unreleased tracks of pianist Lennie Tristano recorded at the Blue Note Jazz Club in Chicago April 6-13 1951. Backing Lennie are trombonist Willie Dennis, alto saxophonist Lee Konitz, tenor saxophonist Warne Marsh, bassist Burgher 'Buddy' Jones and drummer Dominic 'Mickey' Simonetta on drums.