@Override
	public int hashCode() {
		final int prime = 31;
		int result = 1;
		result = prime * result + (localSong == null ? 0 : localSong.hashCode());
		result = prime * result + (mp3Metadata == null ? 0 : mp3Metadata.hashCode());
		result = prime * result + (songUrl == null ? 0 : songUrl.hashCode());
		result = prime * result + (syncOn ? 1231 : 1237);
		result = prime * result + (int) (trackId ^ trackId >>> 32);
		return result;
	}