Source: SK-Sk (Spišska Kapitula) Antiphonale ScepusienseFolio: 174vSequence: 1Full text: Dum proeliaretur Michael archangelus cum dracone audita est vox dicentium salus deo nostro alleluiaFeast: MichaelisOffice: LGenre: APosition: 3Cantus ID: 002465