Symmetry and dissymmetry in the music of the Lay de bonne esperance / V. Newes -- Speculum mortis : form and signification in Machaut's motet He! Mors/Fine amour/Quare non sum mortuus / J. Boogaart -- Observations on Machaut's motet He! Mors, com tu es haie/Fine amour, qui me vint navrer/Quare non sum mortuus / A.V. Clark -- Flos/Celsa and Machaut's motets : emulation - and error? / T. Brown -- Texture and counterpoint in the four-voice mass settings of Machaut and his contemporaries / K.N. Moll -- The 'harmony' of the Machaut Mass / M. Bent ---Machaut's Mass and sounding number / O. Rees -- Singing more about singing less : Machaut's Pour ce que tous / E.E. Leach -- Music writing and poetic voice in Machaut : some remarks on B12 and R14 / A. Stone -- A portrayal of the lady who guards her honour / J. Hirshberg --- Machaut's B-flat Balade honte, paour / P.M. Lefferts -- The intabulation of De toutes flours (B31) in the Codex Faenza as analytical model / J. Flynn --- Machaut's balade Ploures dames (B32) in the light of real modality / C. Berger -- Balades 32 and 33 and the 'res dalemangne' / J. Bain -- Male and female voice in two virelais of Guillaume de Machaut / W.P. Mahrt -- The marriage of words and music : musique naturele and musique artificiele in Machaut's Sans cuer, dolens / Y. Plumley -- Rose, lis revisited / D. Leech-Wilkinson -- Some observations regarding musico-textual interrelationships in late rondeaux by Machaut / K. Kügle