Quam pulchra es et quam

Source: 
Tongeren, Onze-Lieve-Vrouw-Kerk (Our Lady's Church), 64 (olim IV)
Folio: 
245r
Sequence: 
1
Feast: 
De BMV post Purif.
Office/Mass: 
E
Genre: 
A
Position: 
11
Cantus ID: 
004436
Mode: 
6T
Differentia: 
F1
Differentia database: 
1--m-m-k-lm-l-k--4 T7aA