Appropinquabat autem dies

Source: 
Firenze (Florence), Arcivescovado - Biblioteca, s.c.
Folio: 
098v
Sequence: 
7
Feast: 
Fer. 6 de Passione
Office/Mass: 
L
Genre: 
A
Position: 
B
Cantus ID: 
001465
Mode: 
1
Differentia: 
2
Differentia database: 
1--h-h-g-f-gh-g--4 66d