Folio
Ar
Sequence
007
Text
tus deus sancto fortis sancto et inmortalis qui tollis peccata mundi miserere nobis
Feast
Genre
Mode
7
Cantus ID
g02339
Other references
The same Introit (and the following Introit verse) can be read in Graduale di Gaillac, Padova: La Linea Editrice, 2001, p. 85v (for Fer. 3 in Letaniis). This Introit is also found in a Processional from Braga of 1685 for the Fer. 4 in Letaniis.