Review: \u3ci\u3eThe Monstrous New Art: Divided Forms in the Late Medieval Motet\u3c/i\u3e by Anna Zayaruznaya

(excerpt) This book focuses on the motets of the French Ars nova period, roughly ca. 1315– 70, encompassing the careers and compositions of Philippe de Vitry (1291–1361) and Guillaume de Machaut (ca. 1300–1377). The author begins her study of this period by relating an interesting interaction on the topic of isorhythm that is recorded in conference proceedings from 19–23 September 1955 near Liège, Belgium