Source: SK-Bra (Bratislava) Antiphonary of Bratislava I EC Lad.3Folio: 183vSequence: 1Full text: O beata Caecilia quae duos fratres convertisti et Almachium judicem superasti Urbanum episcopum in vultu angelico demonstrastiFeast: CaeciliaeOffice: V2Genre: APosition: MCantus ID: 003991