{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Gregorian and Old Roman Eighth-Mode Tracts: A Case Study in the Transmission of Western Chant","author_name":"Emma Hornby","thumbnail_url":"https://www.ebooknetworking.net/books/075/460/big0754604144.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0754604144.html\">Gregorian and Old Roman Eighth-Mode Tracts: A Case Study in the Transmission of Western Chant</a>","width":400,"height":300}