Openings: q4-q5 (ff. 80v–82r)
Voices: [Triplex], Medius, Contratenor, Tenor, Bassus
Compass: 22 notes
Cantus firmus: Martinus abrahae sinu: fifth psalm antiphon, Lauds, Martinmas (11 November) (see also E33).
Text: unique to E49. but has same incipit as RH, 7029.
Edition: Musica Britannica 11, 149–61