"Horse Race" is the winter theme in Harvest Moon: Friends of Mineral Town. This calming and melodic tune serves as the background music during the horse race events that take place in winter. The Harvest Moon series is known for its delightful and nostalgic music, adding to the overall charm of the gameplay experience. The winter theme, like many other tracks in the game, contributes to the immersive and relaxing atmosphere as players tend to their farms and engage in various activities throughout the changing seasons.