Optimam partem elegit sibi

Source: 
Stuttgart, Württembergische Landesbibliothek, HB.I.55
Marginalia: 
4
Folio: 
036r
Sequence: 
4
Feast: 
Purificatio Mariae
Office/Mass: 
M
Genre: 
A
Position: 
1.6
Cantus ID: 
004167
Mode: 
4
Differentia: 
ob
Differentia database: 
1--h-g-h-jH-g-e--4 27b
Extra: 
ob