There are no recordings of works by Sortis in this catalogue.La Trobe University - Library: Medieval
Music Database - Annual cycle of feasts of
liturgical chant, liturgical polyphony and secular
music of the late middle ages.
Sortis was a French or Spanish composer known for a three-part Credo called 'de rege' in Ivrea. It is rather archaic in style, but was popular enough to be used as the Credo setting in both the Toulouse and Barcelona masses.