O quam pulchra est*

Source: 
Paris, Bibliothèque nationale de France - Département des Manuscrits, Latin 1085
Folio: 
034r
Sequence: 
19
Feast: 
Agnetis
Office/Mass: 
M
Genre: 
A
Position: 
2.6
Cantus ID: 
004069
Mode: 
7*
Differentia: 
*