$VAR1 = {
   'Bjork' => {
      'Debut' => {
         'list' => [
            'Crying',
            'One Day',
            'Come To Me',
            'Violently Happy'
         ],
         'year' => '1993'
      },
      'Telegram' => {
         'list' => [
            'Isobel',
            'Cover Me',
            'Army Of Me',
            'Possibly Maybe'
         ],
         'year' => '1996'
      }
   }
   'U2' => { 
      #etc...
   }
};