Tunc dixit astantibus isto in

Source: 
Piacenza, Basilica di S. Antonino - Biblioteca e Archivio Capitolari, 65
Folio: 
414r
Sequence: 
17
Feast: 
Inventio Antonini
Office/Mass: 
M
Genre: 
A
Position: 
1.2
Cantus ID: 
205012
Mode: 
1
Differentia: 
1
Differentia database: 
1--h-h-g-f-gh-gg--4 66i