<ul>
      <li>
      <div class="gmt-select">
        <select id="song-gmt-selector" class="tooltip" title="Toggle track
            info">
            <option value="genres" title="Show Track
            Genres">Genre</option>
            <option value="moods" title="Show Track Moods">Mood</option>
            <option value="themes" title="Show Track
             Themes">Theme</option>
            <option value="instruments" title="Show Track
             Instruments">Instru</option>
            <option value="info" title="Show Track
            Description">Desc</option>
         </select>
     </div>
      </li>
      </ul>

<div class="box genres_s"></div>
<div class="box moods_s"></div>
<div class="box desc_s"></div>

 $(document).ready(function () {
  var current = '';
  $('#song-gmt-selector').on('change', function () {
    current = $(this).val();
    console.log(current);
    $('.box').removeClass('show-gmt');
    $('.' + current + '_s').addClass('show-gmt');
    localStorage.setItem('current', current);
  });
  if (localStorage.getItem('current')) {
    $('#song-gmt-selector').val(localStorage.getItem('current'));
    $('.' + localStorage.getItem('current') + '_s').addClass('show-
   gmt');
  }
  });