Maria autem conservabat omnia

Source: 
Wolfenbüttel, Herzog August Bibliothek - Cod. Guelf. 29 Helmst. (Heinemann-Nr. 32)
Folio: 
060v
Sequence: 
1
Feast: 
Hebd. per annum
Office/Mass: 
L
Genre: 
A
Position: 
B
Cantus ID: 
003696
Mode: 
8
Differentia: 
G1
Differentia database: 
1--k-k-j-k-h-g--4 118a
Indexing notes: 
check rubric in original (during the week, sing the extra in evangelio antiphons? - for the next chants too, and if so, which one is the "extra" one?;