Quomodo fiet istud angele dei

Source: 
Tongeren, Onze-Lieve-Vrouw-Kerk (Our Lady's Church), 64 (olim IV)
Folio: 
028r
Sequence: 
5
Feast: 
Hebd. 4 Adventus
Office/Mass: 
L
Genre: 
A
Position: 
2B
Cantus ID: 
004563
Mode: 
7
Differentia: 
A1
Differentia database: 
1--l-l-lm-l-k-jh--4 143d