Qui prophetice prompsisti ero

Source: 
Worcester, Cathedral - Music Library, F.160 (olim 1247) (with hymnal)
Folio: 
063v
Sequence: 
9
Feast: 
Sabbato Sancto
Office/Mass: 
X
Position: 
1
Cantus ID: 
008447
Addendum: 
P: 127