In isto loco promissio vera

Source: 
Wien, Österreichische Nationalbibliothek - Musiksammlung, 1890
Folio: 
077v
Sequence: 
11
Feast: 
Fabiani, Sebastiani
Office/Mass: 
N
Genre: 
A
Cantus ID: 
003247
Mode: 
1
Differentia: 
a
Differentia database: 
1--h-h-hg-gf-gh-g--4 66r
Extra: 
b
Manuscript Reading Full Text (standardized spelling): 
In isto loco promissio vera est et peccatorum remissio splendor et lux perpetua et sine fine laetitia quam meruit Christi martyr Sebastianus
Manuscript Reading Full Text (MS spelling): 
In isto loco promissio vera est et peccatorum remissio splendor et lux perpetua et sine fine leticia quam meruit xpisti martyr sebastianus
Indexing notes: 
rubric: De i N vii(ii). This rubric seems to be indicating that the first three day hours antiphons are taken from the first nocturn of Matins. This is also the case for Agnes below.