Rorate caeli desuper et nubes

Source: 
Worcester, Cathedral - Music Library, F.160 (olim 1247) (with hymnal)
Folio: 
008v
Sequence: 
17
Feast: 
Fer. 3 Hebd. 3 Adv.
Office/Mass: 
L
Genre: 
A
Position: 
1
Cantus ID: 
004668
Mode: 
4T
Differentia: 
3
Differentia database: 
1--l-k-l-m-k-h--4 T27aA
Addendum: 
P: 017
Manuscript Reading Full Text (standardized spelling): 
Rorate caeli desuper et nubes pluant justum aperiatur terra et germinet salvatorem
Manuscript Reading Full Text (MS spelling): 
Rorate celi desuper et nubes pluant -stum aperiatur terra et germinet salvatorem | Miserere