Introibo ad altare dei ad

Source: 
London, British Library, Additional Collection, MS. 57337
Folio: 
006v
Sequence: 
2
Feast: 
In Dedicatione Eccl.
Office/Mass: 
X
Genre: 
A
Cantus ID: 
003388
Mode: 
?
Manuscript Reading Full Text (standardized spelling): 
Introibo ad altare dei ad dominum qui laetificat juventutem meam
Manuscript Reading Full Text (MS spelling): 
Introibo ad altare dei mei ad dominum qui letificat iuventutem meam ~Iudicame.