public MP3Info(File song) 
			throws MP3Exception {
		
		if(song == null)
			throw new MP3Exception("The song is null");
		
		try {
			this.getMP3Tag(song);
		} catch (UnsupportedAudioException e) {
			throw new MP3Exception("UnsupportedAudioFileException "+e.getMessage(), e);
		}
	}