O beata et benedicta et

Source: 
Cambridge, University Library, Mm.ii.9
Folio: 
292
Sequence: 
8
Feast: 
De Trinitate
Office/Mass: 
L
Genre: 
A
Position: 
1
Cantus ID: 
003992
Mode: 
1T
Differentia: 
6
Differentia database: 
1--h-h-g-f-g-gfedf--4 293a