Source: PL-WRu I F 416 Cistercian Gradual (Silesia)Folio: 004vSequence: 2Feast: Fer. 4 Q.T. AdventusOffice: MASSGenre: GrCantus ID: g02220Mode: 2TFull text: Tollite portas principes vestras et elevamini portae aeternales et introibit rex gloriae
Cantus Planus in Polonia 