The 2011 Hangar One Vodka Blimp Tour - Landing Cocktail Contest: Milwaukee - Orange Siren

1 1/2 oz Hangar One Mandarin Blossom
3/4 oz Campari
3/5 oz St. Germain
1/2 oz Simple Syrup
1/4 Absinthe Rouge
One Orange Slice
3 inches of celery stalk
Garnish with celery curl