Trium puerorum cantemus

Source: 
Montecassino, Monumento Nazionale di Montecassino - Biblioteca, 542
Folio: 
146
Sequence: 
7
Feast: 
Dom. 2 Quadragesimae
Office/Mass: 
L
Genre: 
A
Position: 
4
Cantus ID: 
005191
Mode: 
8
Differentia: 
C
Differentia database: 
1--k-k-jh-jk-hhh-g--4 170b