Source: 
SK-Bra (Bratislava) Antiphonary of Bratislava I EC Lad.3
Folio: 
138v
Sequence: 
4
Full text: 
Dum sacrum mysterium cerneret Joannes archangelus Michael tuba cecinit dignus es domine deus noster accipere librum et aperire signacula ejus alleluia
Feast: 
Michaelis
Office: 
V
Genre: 
A
Position: 
M
Cantus ID: 
002469
Notes: 
cantusindex.org: Dum sacrum mysterium cerneret Joannes archangelus Michael tuba cecinit ignosce domine deus noster qui aperis librum et solvis signacula ejus alleluia

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