Currebant duo simul et ille

Source: 
Firenze (Florence), Biblioteca Medicea-Laurenziana, Conv. sopp. 560
Folio: 
118r
Sequence: 
13
Feast: 
Sabbato in Albis
Office/Mass: 
E
Genre: 
A
Position: 
1
Cantus ID: 
002081
Mode: 
1
Differentia: 
4
Differentia database: 
1--h-h-g-f-gh-gg--4 66i