Ecce puer meus electus quem

Source: 
Valenciennes, Bibliothèque municipale, 114
Folio: 
019v
Sequence: 
7
Feast: 
Joannis Evang.
Office/Mass: 
M
Genre: 
R
Position: 
1.2
Cantus ID: 
006603
Mode: 
8T