The original order ot the folios is presumably 53r-v, 55v-r, 54r-v.
53rv contains a partial office for St. Regulus, bishop of Senlis.
Square notation on a red four-line staff.
The original order ot the folios is presumably 53r-v, 55v-r, 54r-v.
53rv contains a partial office for St. Regulus, bishop of Senlis.
Square notation on a red four-line staff.