Quid est quod me quaerebatis

Source: 
Praha (Prague), Národní knihovna České republiky (National Library), VI.E.4c
Folio: 
110v
Sequence: 
6
Feast: 
Dom. 1 p. Epiphaniam
Office/Mass: 
E
Genre: 
A
Position: 
3
Cantus ID: 
004521
Manuscript Reading Full Text (standardized spelling): 
Quid est quod me quaerebatis an nesciebatis quia in his quae patris mei sunt oportet me esse alleluia