Openings: i6-i7 (ff. 50v–52r)
Voices: [Triplex], Medius, Contratenor, Tenor, Bassus
Compass: 22 notes
Cantus firmus: 'Caput' melisma to Venit ad petrum: antiphon at foot-washing, Maundy Thursday (see also E20)
Text: see Texts: has tropes 1, 2 and 3
Edition: Musica Britannica 11, 39–45