       <table>
         <tr class="chords">
           {{#chords}}
-          <td>{{this}}</td>
+          <td>{{transpose this}}</td>
           {{/chords}}
         </tr>
           {{#lyrics}}

      else
        abbr


      {{/this}}
    """
    @template = Handlebars.compile templateSrc

  transpose: (amount) ->
    Handlebars.registerHelper 'transpose', (chord) ->
      transposeChord chord, amount || 0

    this.renderLyrics() # rerender

  renderLyrics: ->
    # clear Html Element and add opensong class
