Sub umbra illius quam

Source: 
Worcester, Cathedral - Music Library, F.160 (olim 1247) (with hymnal)
Folio: 
125r
Sequence: 
4
Feast: 
Visitatio Mariae
Office/Mass: 
M
Genre: 
A
Position: 
2.5
Cantus ID: 
204781
Mode: 
4T
Differentia: 
3a
Differentia database: 
1--l-k-l-m-kJ-h--4 T27e