O quam gloriosum est regnum

Source: 
Mainz, Bischöfliches Dom- und Diözesanmuseum, D
Folio: 
203v
Sequence: 
1
Feast: 
Comm. plurimorum Martyrum
Office/Mass: 
V2
Genre: 
A
Position: 
4M
Cantus ID: 
004063
Mode: 
6
Differentia: 
1
Differentia database: 
1--h-h-f-gh-g-f--4 7a
Extra: 
275