"Je vivrais ben content" ("Je vivroie liement", version québécoise) - Guillaume de Machaut 

Polyphonic music of the fourteenth century Edited by Leo Schrade, 1903-1964.; Monaco : Editions de l'Oiseau-Lyre; ©1956-©1991 Volumes 2 and 3 contain the complete works of Machaut. This is a 24-volume set that you can find in most university libraries.