Openings: c1-c3 (ff. 11v-14r)
Voices: [Quatruplex], Triplex, Medius, Contratenor, Tenor, Bassus
Compass: 22 notes
Cantus firmus: no structural cantus firmus, but possibly based on Edmund Turges's carol, 'Alas it is I' (Benham 1987, 466)
Text: RH, 19146
Concordances: GB-Cu Buxton 96, recto
Editions: Musica Britannica 10, 43–53; PMMS
Recordings: 1951, 1968b, 1982, 1989, 1992a, 2005, 2009, 2012a, 2012b