Attribution to Josquin in D-Ju 21 contested in [Steib 1998]: rhythm and treatment of model untypical
D-Ju-ms-21: Composer name in ms = 'Io. de Pratis +' / Kyrie I: 'Allez regretz' in [Superius] and 'Tenor' (red ink) / Pleni: [Contratenor]: 'Pleni non sunt'; [Bassus]: 'Pleni sunt nec potuerunt stare' / Benedictus: [Contratenor]: 'Benedictus non aperuit os suum' / Agnus I: 'Tenor': 'Egrediens per dyatessaron calcem duplando, Regredietur ocius sinceput repetendo' / Agnus II: [Bassus]: 'Canon: Occinet per tropum; Munita quoque vitando'