Ecce Maria genuit nobis

Source: 
Kraków, Klastor OO. Karmelitów na Piasku (Carmelite Convent), Ms.2 (rkp. Perg. 14)
Folio: 
069v
Sequence: 
1
Feast: 
Octava Nat. Domini
Office/Mass: 
L
Genre: 
A
Position: 
5
Cantus ID: 
002523
Mode: 
5
Differentia: 
A01
Differentia database: 
1--k-k-l-j-k-h--4 129a
Addendum: 
126