In illa die stillabunt montes

Source: 
Città del Vaticano (Roma), Biblioteca Apostolica Vaticana, Cappella Sistina 27
Folio: 
003r
Sequence: 
1
Feast: 
Dom. 1 Adventus
Office/Mass: 
L
Genre: 
A
Position: 
1
Cantus ID: 
003244
Mode: 
8
Differentia: 
1
Differentia database: 
1--k-k-j-k-h-g--4 118a