La Trobe University - Library: Medieval Music Database - Annual cycle of feasts of liturgical chant, liturgical polyphony and secular music of the late middle ages.

Conditor alme siderum

Three-voice anonymous hymn

Sources

Apt: Cathèdrale Sainte-Anne, Bibliothèque du Chapitre, 16bis, fol. 14v (3/2).

Editions

1. Le manuscrit de musique polyphonique du trèsor d'Apt, edited by Amèdèe Gastouè, Paris: E. Droz, 1936. La sociètè française de musicologie, series 1, vol. X.
2. French Sacred Music, edited by Giulio Cattin and Francesco Facchin, Monaco: Editions de l'Oiseau Lyre, 1992: Polyphonic Music of the Fourteenth Century Vol XXIIIB, p. 357.