Unus ex duobus qui secuti

Source: 
Wolfenbüttel, Herzog August Bibliothek - Cod. Guelf. 28 Helmst. (Heinemann-Nr. 31)
Folio: 
068v
Sequence: 
9
Feast: 
Octava Andreae
Office/Mass: 
M
Genre: 
A
Position: 
1
Cantus ID: 
005279
Mode: 
*
Extra: 
041v
Indexing notes: 
rubric indicates "first nocturn" before this antiphon, but no other nocturns are indicated throughout this listing of chants;