Erat enim in sermone verax

Source: 
Stuttgart, Württembergische Landesbibliothek, HB.I.55
Marginalia: 
4
Folio: 
029v
Sequence: 
8
Feast: 
Fabiani, Sebastiani
Office/Mass: 
M
Genre: 
A
Position: 
1.2
Cantus ID: 
002653
Mode: 
8
Differentia: 
wg
Differentia database: 
1--k-k-k-k-kl-k--4 135b
Extra: 
?