@Override
	public GenreCollection fetchAllByAlbum(Album album) {

		GenreCollection genreColl = new GenreCollection();

		try {
			CDOrganizer cdOrganizer = XmlDAOFactory.unmarschallFile();

			for (AlbumXML a : cdOrganizer.getAllAlbums()) {

				if (a.getID() == album.getId()) {

					for (GenreXML b : a.getGenreList()) {

						genreColl.add(XMLHelper.GenreXML2Genre(b));

					}
				}

			}

			return genreColl;

		} catch (Exception e) {
			e.printStackTrace();
		}

		return null;

	}