Match each composer with his or her style of composition. Hildegard of Bingen a. Polyphonic Mass Pérotin b. Organum Guillaume de Machaut c. Secular songs Troubadours d. Plainchant Respond to the following based on your reading. All sacred music of the Middle Ages was written to be performed in , the language of the Church. You and a friend buy tickets to hear a famous Mass performed in concert. You know that you’ll hear the Ordinary, which consists of five parts. What are these five parts, in order?