CHEESE AND GARLIC CRESCENTS

INGREDIENTS for crescents:
1 package active dry yeast,
1 cup warm milk,
1/2 cup butter, softened,
1/3 cup sugar,
1 egg,
3/4 teaspoon salt,
4 to 4-1/2 cups all-purpose flour,
1/3 cup extra butter melted,
1 teaspoon garlic powder;
INGREDIENTS for filling:
1/2 cup melted butter,
1 teaspoon garlic powder,
2 cups shredded mozzarella cheese,
1 cup finely chopped fresh parsley;