Ecce gens quae prius monstra

Source: 
Valenciennes, Bibliothèque municipale, 114
Folio: 
123v
Sequence: 
10
Feast: 
Gregorii
Office/Mass: 
M
Genre: 
A
Position: 
1.5
Cantus ID: 
201461
Mode: 
5
Differentia: 
1
Differentia database: 
1--k-k-l-j-k-h--4 129a