Source: PL-PŁsem MsEPl 12 Antyfonarz z Płocka, pars de sanctisFolio: 047rSequence: 4Feast: Commune plurimorum Martyrum TPOffice: TGenre: RCantus ID: 007065Mode: rFull text: Laetamini in domino et exsultate justi alleluia alleluiaNotes: Text variant: alleluia alleluia] om. CANTUS