Source: PL-Kl RL 1 Graduał wiślickiFolio: 023vSequence: 1Feast: Nativitas DominiOffice: MASSGenre: AllCantus ID: g00550Mode: 2Full text: Alleluia Dominus regnavit decorem induit dominus fortitudinem et praecinxit se virtuteNotes: Missa in aurora