Source: PL-PŁsem MsEPl 12 Antyfonarz z Płocka, pars de sanctisFolio: 010vSequence: 3Feast: Fabiani, SebastianiOffice: LGenre: APosition: 3Cantus ID: 001244Mode: 1Differentia: G1Full text: Ad hanc vocem Christi martyris Sebastiani illico apertum est os uxoris Nicostrati