docs: private void deliverAlbumArtUpdate(int player, AlbumArt art) {
          if (!getAlbumArtListeners().isEmpty()) {
              final AlbumArtUpdate update = new AlbumArtUpdate(player, art);
              for (final AlbumArtListener listener : getAlbumArtListeners()) {
                  try {
                      listener.albumArtChanged(update);
  
                  } catch (Throwable t) {
                      logger.warn("Problem delivering album art update to listener", t);
                  }
              }
          }
      }