Hildegard of Bingen's Recognize and characterize important Medieval composers. The music of Hildegard von Bingen and cite one of her great musical dramas Remember the musical style created by Leonin and Perotin. Mention Guillaume de Machaut's contributions to the era's music and mention one of his most renowned compositions. She was a German abbess who became one of the greatest musicians and composers of her time. Hildegard's music includes chants, songs, and polyphonic poems for voice and instrument. She also wrote several books on medicine, mathematics, and natural science. Hildegard's visions were also important in advancing knowledge at the time. She predicted many events that had happened or were about to happen. For example, she said that a world war would end with a giant meteor crashing into Earth. Machaut was a French composer of the late 12th century and early 13th century. His music shows influence of both Byzantine music and Arab music. It contains dances, organ pieces, and songs with an emphasis on text setting. One of his best-known works is Le Jeu de la feu et de l'amour (The Game of Love and Fire). It is an elaborate musical drama composed for four voices and instrumental accompaniment.