Ave Regina caelorum (Guillaume Dufay)

3 settings of Ave Regina caelorum by Guillaume Dufay are known, numbered as follows in Planchart's edition:

1. Ave Regina coelorum I (Guillaume Dufay), a free composition for 3vv (also arranged for SATB)
2. Ave Regina coelorum II (Guillaume Dufay), for 3vv. with chant paraphrased in treble, polyphony beginning on word "Regina"
3. Ave Regina coelorum a 4 (Guillaume Dufay), for 4vv.