Illaesa mater virgo semper

Source: 
Tongeren, Onze-Lieve-Vrouw-Kerk (Our Lady's Church), 64 (olim IV)
Folio: 
053v
Sequence: 
4
Feast: 
In tempore Nat.
Office/Mass: 
E
Genre: 
A
Position: 
14
Cantus ID: 
003169
Mode: 
6T
Differentia: 
F1
Differentia database: 
1--m-m-k-lm-l-k--4 T7aA