Openings: b6-b8, lacking b6-b7l (ff. 10r-11r only)
Voices: [Triplex], [Medius], [Contratenor], [Primus Tenor], Secundus Tenor, Bassus
Compass: 22 notes
Cantus firmi: [Primus Tenor]: O lux beata trinitas: hymn Vespers, Saturday, Trinity to Advent (Williamson 1997a, 322–3): Secundus Tenor: ‘Fragrat odor dulcis celi agmina laudes’: from Virgo flagellatur, sixth respond at Matins, St Katherine (25 November) (Benham 1977, 92).
Text: see Texts
Edition: Musica Britannica 12 [3rd edn], 136–40