Cum esset desponsata mater

Source: 
Firenze (Florence), Biblioteca Medicea-Laurenziana, Conv. sopp. 560
Folio: 
020v
Sequence: 
10
Feast: 
Vigilia Nat. Domini
Office/Mass: 
V2
Genre: 
A
Position: 
M
Cantus ID: 
002000
Mode: 
8
Differentia: 
1
Differentia database: 
1--k-k-j-k-h-g--4 118a