{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Tonus Peregrinus: The History of a Psalm-tone and its use in Polyphonic Music","author_name":"Mattias Lundberg","thumbnail_url":"https://www.ebooknetworking.net/books/140/940/big1409407861.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1409407861.html\">Tonus Peregrinus: The History of a Psalm-tone and its use in Polyphonic Music</a>","width":400,"height":300}