protected final void updateAudioArts() {
   for (Audio audio : audioDatabase.getSongs()) {
     if (audio.getArtUrl(ArtSize.SMALL) == null) {
       try {
         String smallArt = internetSearchEngine.getSmallArt(audio);
         audioDatabase.downloadAndSaveAudioArt(audio, smallArt, ArtSize.SMALL);
       } catch (IOException e) {
         e.printStackTrace();
       }
     }
   }
 }