Ecce ego Joannes vidi ostium

Source: 
Firenze (Florence), Arcivescovado - Biblioteca, s.c.
Folio: 
210r
Sequence: 
6
Feast: 
Comm. Evangelistarum
Office/Mass: 
V
Genre: 
A
Position: 
M
Cantus ID: 
002511
Mode: 
1
Differentia: 
6
Differentia database: 
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