Tempus est ut revertar ad

Source: 
Worcester, Cathedral - Music Library, F.160 (olim 1247) (with hymnal)
Folio: 
074r
Sequence: 
10
Feast: 
Ascensio Domini
Office/Mass: 
M
Genre: 
R
Position: 
2.2
Cantus ID: 
007758
Mode: 
4
Addendum: 
P: 148