Petrus autem sequebatur a

Source: 
Valenciennes, Bibliothèque municipale, 114
Folio: 
057v
Sequence: 
19
Feast: 
Fer. 4 Maj. Hebd.
Office/Mass: 
T
Genre: 
A
Cantus ID: 
004285
Mode: 
1
Differentia: 
5
Differentia database: 
1--h-h-g-f-g-g--4 63a