Pappardelle with Rabbit

Name: Pappardelle with Rabbit
Ingredients: 1 pound 12 ounces (800 grams) rabbit joints, seasoned; Extra-virgin olive oil; 1 handful fresh rosemary and fresh thyme, leaves picked and finely chopped; 1 small red onion, peeled and finely chopped; 4 cloves garlic, peeled and finely chopped; 1 carrot, peeled and finely chopped; 1 celery stalk, finely chopped; 2 wineglasses Chianti; 2 (14-ounce/400 gram) tins plum tomatoes; 2 tablespoons pearl barley; Salt and freshly ground black pepper; 14 ounces (400 grams) fresh or dried pappardelle; 3 1/2 ounces (100 grams) butter; 2 handfuls grated Parmesan