Spiritus sanctus in te descendet

Source: 
Vercelli, Biblioteca Capitolare, CLXX
Folio: 
006v
Sequence: 
2
Feast: 
Dom. 1 Adventus
Office/Mass: 
L
Genre: 
A
Position: 
B
Cantus ID: 
005006
Mode: 
8T
Differentia: 
G1
Differentia database: 
1--k-k-j-k-h-g--4 118a
Manuscript Reading Full Text (standardized spelling): 
Spiritus sanctus in te descendet Maria ne timeas habebis in utero filium dei alleluia