Source: PL-PŁsem MsEPl 12 Antyfonarz z Płocka, pars de sanctisFolio: 043rSequence: 1Feast: Commune Apostolorum TPOffice: MGenre: APosition: 1.Cantus ID: 005190Mode: 6Differentia: F1Full text: Tristitia vestra alleluia vertetur in gaudium alleluia