/**
  * This is the first stage in preparing content for output...
  * See http://docs.joomla.org/Plugin/Events/Content#onContentPrepare
  */
 public function onContentPrepare($context, &$article, &$params, $limitstart = "")
 {
     $this->initializePlugin();
     $musicTags = MusicTagsHelper::getMusicTagsFromArticle($article);
     if (count($musicTags)) {
         foreach ($musicTags as $musicTag) {
             $this->handleSingleMusicTag($article, $musicTag);
         }
     }
     return "";
 }