"mutes" => [
  "00:10" , "00:15", 
  "30", "40",
],

"blank_outs" => [
 "1:00.0", "1:05.0"
],

"title" => "Friday Song",
"source" => "youtube",
"source_url" => "http://www.youtube.com/watch?v=CD2LRROpph0"