1 (25 1/2 oz.) bottle pina colada mix
1 (46 oz.) can Dole pineapple juice
1 (12 oz.) can frozen lemonade concentrate
2 c. vodka
2 qt. cream soda

Mix together pina colada mix, pineapple juice, lemonade, and vodka. Freeze mixture at least 24 hours ahead. Add cream soda as you serve and stir to consistency of slush.