What is the singular, profound development between roughly the years 900 to 1300 that leads to the possibility of rapid evolution of the language of Western music, especially as regards Polyphony (writing in several voices simultaneously); free composition beyond the largely oral history repertoire of Chants; and dissemination of musical compositions beyond the immediate location where they were written.
Draw upon all the material you have studied thus far, referring to a few specific composers and style or geographical characteristics.
Please submit this Essay to your Professor as a double-spaced document. Feel free to copy and paste into your text relevant artwork / illustrations, as well as examples of written-down music if you wish; but be sure to give sources and acknowledgements.
