Jerusalem respice ad orientem et

Folio: 
012v
Sequence: 
6
Office/Mass: 
E
Genre: 
A
Position: 
2
Cantus ID: 
003481
Mode: 
7
Differentia: 
y
Manuscript Reading Full Text (standardized spelling): 
Jerusalem respice ad orientem et vide alleluia
Manuscript Reading Full Text (MS spelling): 
Hierusalem respice ad orientem et vide alleluia
Indexing notes: 
extra 'a' following differentia?