Quae est ista quae

Source: 
Tongeren, Onze-Lieve-Vrouw-Kerk (Our Lady's Church), 64 (olim IV)
Folio: 
245r
Sequence: 
2
Feast: 
De BMV post Purif.
Office/Mass: 
E
Genre: 
A
Position: 
12
Cantus ID: 
004425
Mode: 
5
Differentia: 
A1
Differentia database: 
1--k-k-l-j-k-h--4 129a