Ubi duo vel tres congregati

Source: 
Paris, Bibliothèque nationale de France - Département des Manuscrits, NAL 1535
Folio: 
050v
Sequence: 
3
Feast: 
Fer. 3 Hebd. 3 Quad.
Office/Mass: 
L
Genre: 
A
Position: 
B
Cantus ID: 
005258
Mode: 
4T
Differentia: 
4
Differentia database: 
1--l-k-l-m-k-hk--4 T31a