With apologies to Joh. Ockeghem, the Ensemble Musica Nova, and the Latin grammar police, here's the Sanctus from Missa Cuiusvis Toni, in all 4 modes at once (Dorian, Phrygian, Lydian, and Mixolydian).
Awesome. Loved it! Thanks.
Whauu Are the singers really humans? (What I hear sounds so …