What were monophonic Gregorian Chants? Who codified them and when were they composed? Why did Western classical music become polyphonic during the Renaissance? What kind of music did Bach, Handel and Vivaldi compose during the Baroque period? When was Opera as a musical composition born? In how many languages were Operas composed and which are some of the most memorable Operas? Is Western classical music associated with only the classical period? Which European ...