{"product_id":"guy-of-saint-denis-tractatus-de-tonis-9781580442541","title":"Guy of Saint-Denis, Tractatus de Tonis","description":"\u003cp\u003e • Author(s): Medieval Institute Publications | John N. Crossley | John N. Crossley\u003cbr\u003e • Publisher: Medieval Institute Publications\u003cbr\u003e • Publisher Imprint: Medieval Institute Publications\u003cbr\u003e • BISAC: Medieval\u003c\/p\u003e\u003cp\u003eThe \u003ci\u003eTractatus de tonis \u003c\/i\u003eof Guy of Saint-Denis (written ca. 1300-10) differs from other treatises on plainchant in the depth of its analysis of the various tones into which chant was traditionally classified. Guy's treatise presents itself as a synthetic overview of both the theory and practice of plainchant in a way that combines the practical reflection of Guido of Arezzo with ideas of more Aristoteleian inspired theorists such as Johannes de Grocheio and Peter of Auvergne.\u003c\/p\u003e","brand":"Medieval Institute Publications","offers":[{"title":"Paperback","offer_id":47890150850711,"sku":"9781580442541","price":2016.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3471\/1191\/files\/9781580442541.webp?v=1781178954","url":"https:\/\/atlanticbooks.com\/products\/guy-of-saint-denis-tractatus-de-tonis-9781580442541","provider":"Atlantic Books","version":"1.0","type":"link"}