O quam clarus est sidereus

Source: 
Paris, Bibliothèque nationale de France - Département des Manuscrits, NAL 1535
Folio: 
028r
Sequence: 
1
Feast: 
Nat. Innocentium
Office/Mass: 
V
Genre: 
A
Position: 
M
Cantus ID: 
203530
Mode: 
4
Differentia: 
1
Differentia database: 
1--h-g-h-kh-gf-e--4 37a