Et invocabimus nomen tuum

Source: 
Oxford, Bodleian Library, MS. Canon. Liturg. 202 (olim 19314)
Folio: 
035r
Sequence: 
10
Feast: 
Fer. 5 per annum
Office/Mass: 
M
Genre: 
A
Position: 
4
Cantus ID: 
002709
Mode: 
?
Differentia: 
*