Source: SK-Sk (Spišska Kapitula) Antiphonale ScepusienseFolio: 169rSequence: 4Full text: Dum sacrum mysterium cerneret Joannes archangelus Michael tuba cecinit dignus es domine deus noster accipere librum et aperis signacula ejus alleluiaFeast: MichaelisOffice: VGenre: APosition: MCantus ID: 002469