Senes de portis defecerunt juvenes

Marginalia: 
B
Folio: 
161r
Sequence: 
25
Office/Mass: 
M
Genre: 
L
Position: 
15
Cantus ID: 
850136m
Mode: 
*
Manuscript Reading Full Text (standardized spelling): 
Senes de portis defecerunt juvenes de choro psallentium
Indexing notes: 
chant is written in lower margin;