Tubis in ductilibus psallat

Source: 
Oxford, Bodleian Library, MS. Canon. Liturg. 202 (olim 19314)
Folio: 
098r
Sequence: 
4
Feast: 
Margaritae
Office/Mass: 
M
Genre: 
A
Position: 
3.3
Cantus ID: 
204998
Mode: 
?
Differentia: 
*