Iste est Joannes qui supra

Folio: 
034v
Sequence: 
5
Office/Mass: 
X
Genre: 
A
Cantus ID: 
003425
Mode: 
1
Differentia: 
G2
Indexing notes: 
marked as "R" - but this antiphon has no place in the order; a copying error based on the text?