Feast: Commune unius Martyris extra T.P.
Office_part: in
Cantus ID: 001137
Status: SELECTED
Source, rsigns from LH83, see also other such I/s: APEXIb etc
Oriscus without episema in the initial formula: cf. Q5F6I, A3F1I and other Regem...(festivus) II/
Added NABC based on APEXIb, itself synthetic