River Country 107.5 and Callao Supermarket has your FREE tickets to the Coca-Cola 600 at Charlotte Motor Speedway! Listen weekday mornings for your chance to win. When you hear the race cars and touch-tones start calling. The 7th caller wins a Coca Cola Fridge Pack from Callao Supermarket and will have a chance to win 4 free tickets. There will be 6 winners. Must be 18 or older and you may only qualify once. Drawing Monday morning May 21st.