public int compareArtist(Artist otherArtist) {
		int similarSongCount = 0;
		HashMap<String, Album> other = otherArtist.getAlbums();
		Set<String> keySet = other.keySet();
		Iterator i = keySet.iterator();
		while(i.hasNext()) {
			String tmpName = (String)i.next();
			if(albums.containsKey(tmpName)) {
				Album tmpAlbum = albums.get(tmpName);
				similarSongCount += tmpAlbum.compareAlbum(other.get(tmpName));
			}
		}
		return similarSongCount;
	}