private void save() {
		if (song == null) return;
		
		if (title.getText() != song.getName())
			song.setName(title.getText());
		if (artist.getText() != song.getArtist())
			song.setArtist(artist.getText());
		if (album.getText() != song.getAlbum())
			song.setAlbum(album.getText());
		
		listener.savePressed(song);
	}