Heat the raisins and sherry in a small saucepan to boiling. Simmer for 5 minutes. Place the wild rice, 2 cups of boiling stock, and 2 Tbsp. of butter in the top of a double boiler over simmering water and cook covered for 1 hour. Place the brown rice, 2 2/3 cups boiling stock, and 2 Tbsp. of butter in a saucepan and heat to boiling, then reduce heat to low and simmer until all of the water is absorbed, which should take about 50 minutes. Sauce the almonds in 2 Tbsp. of butter until lightly toasted. Combine all of the above plus the chopped parsley and season to taste with salt and pepper.