Scrub and debeard mussels and place in steamer with water, white wine, 2 cloves garlic, 4 sprigs parsley, and lemon.
Steam 5 minutes.
Reserve juice.
Remove meat, saving shells (do not dehinge).
In sauce pan saute 3 tablespoons olive oil, green onion then add reserved juice plus enough clam juice to make 2 cups liquid and rice.
Simmer 20 minutes.
Toss in pine nuts, currants, 3 tablespoons chopped parsley, 1 minced garlic clove, chopped mussel meat, and allspice.
Stuff mixture into each shell, place in baking dish and drizzle with olive oil.
Bake at 300 degrees F for 10 minutes.
Garnish with lemon and parsley.