Margaret Bent is a Fellow of All Souls College, Oxford, and has been a key figure in the debates about late medieval and Renaissance music for nearly thirty years.

• I. Musica Recta and Musica Ficta II. Pycard's Credo No. 76 III. Renaissance Counterpoint and Musica Ficta IV. Diatonic Ficta V. Accidentals, Counterpoint and Notation in Aaron's Aggiunta to the Toscanello in Musica Dicatonic ficta Revisited: Josquion's Ave Maria in Context VII. Editing Early Music: The Dilemma of Translation VIII. Some Factors in the Control of Consonance and Sonority: Successive Composition and the Solus tenor IX. Pycard's Double Canon: Evidence of Revision? X. Text Setting in Sacred Music of the Early 15th Century: Evidence and Implications XI. Resfacta and Cantare super librum