O pastor apostolice Gregori beatissime

Source: 
Sankt Gallen, Stiftsbibliothek, 388
Folio: 
132
Sequence: 
4
Feast: 
Gregorii
Office/Mass: 
M
Genre: 
R
Position: 
3.3
Cantus ID: 
007279
Mode: 
?
Manuscript Reading Full Text (standardized spelling): 
O pastor apostolice Gregori beatissime tuo posce precamine incrementum ecclesiae tuo rigatae dogmate ac defensatae opere
Manuscript Reading Full Text (MS spelling): 
O pastor apostolice gregori beatissime tuo posce precamine incrementum aecclesiae tuo rigate dogmate ac defensate opere
Indexing notes: 
verse tone suggests mode 7 at the beginning but this chant is more typically mode 3;