O Maria o regina (= Missa O praeclara: Et unam sanctam)

Composer Isaac, Heinrich (ca. 1450–1517)
Genres Credo (patrem omnipotentem), Mass Ordinary, Motet
Cycles
Missa La mi la sol = Missa O praeclara (Mass Proper)
Appears in
I-Bc Q.18 (26v—28)