public void showSongs() {

        try {
            BLLSong ds = new BLLSong();
            System.out.println("All songs: ");
            for (BESong aSong : ds.getAll()) {
                System.out.println(aSong.getId() + ": " + aSong.getTitle() + ": " + aSong.getArtist() + " - Duration: " + aSong.getLength() + " - " + aSong.getCategoryId());
            }
            System.out.println("(" + ds.getAll().size() + " songs)");
            System.out.println("");
        } catch (Exception ex) {
            System.out.println("Could not get songs - " + ex.getMessage());
        }

    }