Laeva ejus sub capite meo

Source: 
Worcester, Cathedral - Music Library, F.160 (olim 1247) (with hymnal)
Folio: 
282r
Sequence: 
18
Feast: 
Comm. plurimorum Virginum
Office/Mass: 
V2
Genre: 
A
Position: 
2
Cantus ID: 
003574
Mode: 
4T
Differentia: 
3a
Differentia database: 
1--l-k-l-m-kJ-h--4 T27e
Addendum: 
P: 434