{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Six Wagnerian Sopranos. 6 Discographies. Frieda Leider, Kirsten Flagstad, Astrid Varnay, Martha Mödl (Modl), Birgit Nilsson, Gwyneth Jones.  [1994].","author_name":"John Hunt","thumbnail_url":"https://www.ebooknetworking.net/books/095/102/big0951026895.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0951026895.html\">Six Wagnerian Sopranos. 6 Discographies. Frieda Leider, Kirsten Flagstad, Astrid Varnay, Martha Mödl (Modl), Birgit Nilsson, Gwyneth Jones.  [1994].</a>","width":400,"height":300}