Ipsi vero in vanum

Source: 
Tours, Bibliothèque municipale, 149
Folio: 
278r
Sequence: 
4
Feast: 
Fer. 4 Maj. Hebd.
Office/Mass: 
L
Genre: 
A
Position: 
3
Cantus ID: 
003408
Mode: 
1
Differentia: 
1b
Differentia database: 
1--h-h-g-f-gh-gg--4 66i