Antequam convenirent inventa est Maria

Source: 
Vercelli, Biblioteca Capitolare, CLXX
Folio: 
007v
Sequence: 
12
Feast: 
Fer. 3 Hebd. 1 Adv.
Office/Mass: 
V2
Genre: 
A
Position: 
M
Cantus ID: 
001440
Mode: 
1
Differentia: 
G1
Differentia database: 
1--h-h-g-f-gh-g--4 66d
Manuscript Reading Full Text (standardized spelling): 
Antequam convenirent inventa est Maria habens in utero de spiritu sancto alleluia