Miles Davis, trumpet ; Kai Winding, J.J. Johnson or Mike Zwerin, trombone ; Junior Collins or Sandy Siegelstein, french horn ; Bill Barber, tuba ; Lee Konitz, alto saxophone ; Gerry Mulligan, baritone saxophone ; Al Haig, or John Lewis, piano ; Joe Shulman, Nelson Boyd & Al McKibbon, bass ; Max Roach or Kenny Clarke, drums ; Kenny Hagood, vocals. Musicians performing at each recording session listed on the back of the insert.