{"product_id":"harmonograph-a-visual-guide-to-the-mathematics-of-music","title":"Harmonograph: A Visual Guide to the Mathematics of Music, by Anthony Ashton","description":"\u003cp\u003eWhy did Pythagoras pause outside a Blacksmith’s workshop? Can the nature of Harmony really be understood visually? Why do harmonies leave gaps or ‘commas’ when added together?\u003c\/p\u003e\n\u003cp\u003eIn this charming pocket book, Anthony Ashton uses a Victorian device called a Harmonograph to tell the story of harmony and the intervals in the scale. With useful appendices and exquisite line drawings, this is a unique and original introduction to this magical subject.\u003c\/p\u003e\n\u003cp\u003eSoftcover, 58 pages. 2025.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Red Wheel\/Weiser LLC","offers":[{"title":"Default Title","offer_id":42624871333970,"sku":"9781952178047","price":8.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/3543\/files\/e34d1f5e2e5acfb143754135707a8ddc01a45b98db91dcc29dcbbc2afa7573a3.jpg?v=1786767558","url":"https:\/\/conviviocatalog.conviviobookworks.com\/products\/harmonograph-a-visual-guide-to-the-mathematics-of-music","provider":"Convivio Bookworks","version":"1.0","type":"link"}