Miserere mei fili David quid

Source: 
Praha (Prague), Národní knihovna České republiky (National Library), XIV.B.13
Folio: 
105r
Sequence: 
2
Feast: 
Dom. Quinquagesimae
Office/Mass: 
M
Genre: 
A
Position: 
3.
Cantus ID: 
003776
Mode: 
8
Differentia: 
G2
Differentia database: 
1--k-k-j-k-h-g--4 118a
Indexing notes: 
ad cantica antiphon written before the 4th resp. of the 2nd nocturn (but is this a pattern, see previous days?);