Apple Grape Spritzer

6 cups apple juice, chilled

3 cups white grape juice, chilled

1 can (12 ounces) frozen lemonade concentrate, thawed

1 liter club soda, chilled

In a large container, combine the juices and lemonade concentrate. Stir in club soda. Pour into chilled glasses. Serve immediately. Yield: 3-3/4 quarts