Openings: aa3-aa4, entirely lacking in Eton ('regale' written in index on a1r)
Voices: [Triplex], [Medius], [Contratenor], [Tenor], [Bassus]
Compass: 22 notes
Based on: Tone VIII faburden melody, first ending, transposed down a fifth
Text: see E70
Concordances: GB-Ob Lat. liturg. a. 9, ff. 5r–6v; Lambeth, ff. 66v–69r; Caius, pp. 118–21; Cambridge UJ, ff. 31v–32r/34r–v; GB-Lbl 34191, f. 45 (incomplete); Peterhouse, ff. 89r/80v/98v/78bv
Editions: Musica Britannica 12, 96–103; Fayrfax Series; Warren-CMM, 96–103; RRMR, 54–69; EECM 53, 61-76.