Regi regum summo jubilemus domino

Folio: 
150
Sequence: 
5
Feast: 
Office/Mass: 
M
Cantus ID: 
850375
Manuscript Reading Full Text (standardized spelling): 
Regi regum summo jubilemus domino qui hodie suum dilectum glorificavit Othmarum
Manuscript Reading Full Text (MS spelling): 
Regi regum summo iubilemus domino qui hodie suum dilectum glorificavit othmarum
Indexing notes: 
cf. 258 07; different hand; is this a responsory trope? What is its usage later in the invitatoria listing?