Continuum presents a program of two of the most important French medieval composers who lived a century apart, Guillaume de Machaut (c.1300-1377) and Guillaume Dufay (1397-1474). Included in this program is the famous Mass of Notre Dame by Machaut, the first music composed for a Mass by a known composer. And, included also are secular songs by Dufay. His secular songs are very seldom performed and will be heard from a complete recording of them. Recordings used are: Guillaume de Machaut - Messe de Notre Dame (Hilliard Ensemble) - Hyperion CDA66358, Guillaume de Machaut - Ay Mi! (Emmanuel Bonnardot) - Opus 111 OPS 30-171, Guillaume Dufay - Complete Secular Music (Medieval Ensemble of London) - DECCA 452 557-2, and Dufay - Missa “Se la face ay pale” (Early Music Consort of London) - Veritas Virgin Classics 7234 5 61283 2 3.