File consists of program and recordings for performance recorded Oct 29, 2022, Pollack Hall, Schulich School of Music, McGill University, Montreal. Featuring: McGill Contemporary Music Ensemble ; Fabrice Marandola, artistic director. Works: Cage, John. Atlas eclipticalis / Cage, John. Winter music ; Kagel, Maurice. Prima Vista ; Wolff, Christian, 1934-. Edges ; Cardew, Cornelius. Treatise ; Lanza, Alcides. Interferences, no. 3 ; Andriessen, Louis, 1939-2021. Workers union.