{"type":"rich","version":"1.0","title":"Billboard magazine introduces the \"Hillbilly Hits\" music chart - March 25th, 1939","author_name":"This Day in History Class","author_url":"https://www.iheart.com/podcast/105-this-day-in-history-class-29520957/","provider_name":"Omny Studio","provider_url":"https://omny.fm","html":"<iframe src=\"https://omny.fm/shows/this-day-in-history-class/billboard-magazine-introduces-the-hillbilly-hits-m/embed\" width=\"100%\" height=\"180\" allow=\"autoplay; clipboard-write; fullscreen\" allowfullscreen frameborder=\"0\" title=\"Billboard magazine introduces the &quot;Hillbilly Hits&quot; music chart - March 25th, 1939\"></iframe>","width":600,"height":180}