Missus est Gabriel angelus ad

Source: 
Tongeren, Onze-Lieve-Vrouw-Kerk (Our Lady's Church), 64 (olim IV)
Folio: 
009v
Sequence: 
8
Feast: 
Dom. 1 Adventus
Office/Mass: 
P
Genre: 
A
Cantus ID: 
003794
Mode: 
8
Differentia: 
G1
Differentia database: 
1--k-k-j-k-h-g--4 118a