Нужное подчеркнуть аккорды

array(2) {
  ["artist"]=>
  string(35) "Нужное подчеркнуть"
  ["songs"]=>
  array(2) {
    ["Рассвет"]=>
    array(7) {
      ["id"]=>
      array(1) {
        [0]=>
        int(66574)
      }
      ["chords"]=>
      array(1) {
        [0]=>
        string(8) "Am G F E"
      }
      ["tab"]=>
      array(1) {
        [0]=>
        string(0) ""
      }
      ["playcount"]=>
      int(5511)
      ["note"]=>
      array(1) {
        [0]=>
        string(0) ""
      }
      ["nid"]=>
      array(1) {
        [0]=>
        int(56615)
      }
      ["img"]=>
      array(1) {
        [0]=>
        string(60) "/public/media/img/a0/43/a043963f7d58e085804aa5cedf81bf43.png"
      }
    }
    ["Конец"]=>
    array(6) {
      ["id"]=>
      array(1) {
        [0]=>
        int(66573)
      }
      ["chords"]=>
      array(1) {
        [0]=>
        string(8) "Em C G D"
      }
      ["tab"]=>
      array(1) {
        [0]=>
        string(0) ""
      }
      ["playcount"]=>
      int(0)
      ["note"]=>
      array(1) {
        [0]=>
        string(0) ""
      }
      ["nid"]=>
      array(1) {
        [0]=>
        int(56614)
      }
    }
  }
}