Ipse praeibit ante illum in

Source: 
Mainz, Bischöfliches Dom- und Diözesanmuseum, C
Folio: 
138r
Sequence: 
1
Feast: 
Joannis Baptistae,8
Office/Mass: 
E
Genre: 
A
Position: 
3
Cantus ID: 
003403
Mode: 
7
Differentia: 
2
Differentia database: 
1--l-l-m-l-k-jh--4 143b
Extra: 
228