Source: SK-Sk (Spišska Kapitula) Antiphonale ScepusienseFolio: 209rSequence: 4Full text: O beata Caecilia quae duos fratres convertisti Almachium judicem superasti Urbanum episcopum in vultu angelico demonstrastiFeast: CaeciliaeOffice: MGenre: RPosition: 1.2Cantus ID: 007253