Source: PL-PŁsem MsEPl 12 Antyfonarz z Płocka, pars de temporeFolio: 005rSequence: 2Feast: Nativitas DominiOffice: LGenre: APosition: 5Cantus ID: 004221Mode: 8Differentia: G2Full text: Parvulus filius hodie natus est nobis et vocabitur deus fortis alleluia alleluiaNotes: ps euouae