     $.ajax
       type: 'POST'
       url: '/song_tags/'
-      data: {"tag_id": tagElement.attr("data-tag-id"),"song_id": $(".song_tags").attr("data-song-id")},
+      data: {"tag_id": tagElement.data("tag-id"),"song_id": $(".song_tags").data("song-id")},
       dataType: 'JSON'
 
 removeTagFromSong = (el) ->

    $.ajax
      type: 'DELETE'
      url: '/song_tags/-1'
      data: {"tag_id": tagElement.attr("data-tag-id"),"song_id": $(".song_tags").attr("data-song-id")},
      dataType: 'JSON'

ceAfterUpdate = (el) ->

ceDoUpdate = ->
  if update_original_var == $(this).html()
    return
  dataToSend =
    key: $(this).attr('name')
    value: $(this).text().trim()
