{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Harmonograph: A Visual Guide to the Mathematics of Music","author_name":"Ashton, Anthony","thumbnail_url":"https://www.ebooknetworking.net/books/B07/DCD/bigB07DCD7HMH.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B07DCD7HMH.html\">Harmonograph: A Visual Guide to the Mathematics of Music</a>","width":400,"height":300}