Ego sum ostium dicit dominus

Source: 
Vorau, Stiftsbibliothek, 287 (olim XXIX)
Folio: 
109v
Sequence: 
6
Feast: 
Fer. 3 Pent.
Office/Mass: 
L
Genre: 
A
Position: 
B
Cantus ID: 
002593
Mode: 
8
Differentia: 
1a
Differentia database: 
1--k-k-kj-kj-h-g--4 123d