Tu solus altissimus super

Source: 
Montecassino, Monumento Nazionale di Montecassino - Biblioteca, 542
Folio: 
065
Sequence: 
25
Feast: 
Fer. 6 per annum
Office/Mass: 
M
Genre: 
A
Position: 
1.2
Cantus ID: 
005219
Mode: 
1
Differentia: 
A
Differentia database: 
1--h-h-g-f-gg-hg--4 66bb