{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Critical Nexus: Tone-System, Mode, and Notation in Early Medieval Music (AMS Studies in Music)","author_name":"Charles M. Atkinson","thumbnail_url":"https://www.ebooknetworking.net/books/019/514/big0195148886.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0195148886.html\">The Critical Nexus: Tone-System, Mode, and Notation in Early Medieval Music (AMS Studies in Music)</a>","width":400,"height":300}