Fidelia omnia mandata ejus

Source: 
Aachen (Aix-la-Chapelle), Domarchiv, G 20
Folio: 
053r
Sequence: 
8
Feast: 
Dom. per annum
Office/Mass: 
V2
Genre: 
A
Position: 
2
Cantus ID: 
002865
Mode: 
7?
Finalis: 
E
Differentia: 
C5
Differentia database: 
1--l-l-m-l-l-k--4 141b
Extra: 
042r
Indexing notes: 
The mode is given as 7, and the differentia begins in the mode 7 "shape"; see example indexed as mode 4 (G2) on f. 55r.