Grateful Dead

¼ fluid ounce vodka

¼ fluid ounce rum

¼ fluid ounce tequila

¼ fluid ounce triple sec liqueur

¼ fluid ounce raspberry flavored liqueur

2 fluid ounces cola-flavored carbonated beverage

In a rocks glass over ice, combine vodka, rum, tequila, triple sec and raspberry liqueur. top with cola to taste.