Laeva ejus sub capite meo

Source: 
Rouen, Bibliothèque municipale, 248 (olim A. 339)
Folio: 
066v
Sequence: 
6
Feast: 
Assumptio Mariae,8
Office/Mass: 
M
Genre: 
A
Position: 
2.2
Cantus ID: 
003574
Mode: 
4T
Differentia: 
E2
Differentia database: 
1--l-k-l-m-k-h--4 T27aA