public function actionIndex($song)
 {
     $lyric = 'Nothing was found.';
     // importing a class
     //Yii::import('application.apis.lyrics.LyricsFinder');
     $finder = new LyricsFinder();
     if (!empty($song)) {
         $lyric = $finder->getText($song);
     }
     echo $lyric;
 }
 public function actionIndex($song)
 {
     $lyric = 'Nothing was found.';
     // importing api class
     Yii::import('application.apis.lyrics.LyricsFinder');
     $finder = new LyricsFinder();
     if (!empty($song)) {
         // We don't want to show user an error.
         // Instead we want to apologize and
         // invite him to try again later.
         try {
             $lyric = $finder->getText($song);
         } catch (LyricsFinderHTTPException $e) {
             echo 'Sorry, we cannot process your request. Try again later.';
         }
     }
     echo $lyric;
 }