Source: PL-WRu I F 413 Cistercian Gradual (Silesia)Folio: 105vSequence: 2Feast: StephaniOffice: MASSGenre: GrCantus ID: g00560Mode: 5Full text: Sederunt principes et adversum me loquebantur et iniqui persecuti sunt me
Cantus Planus in Polonia 