Personalized Intelligent Timpani Rough White Text Youth T-Shirt. Timpani, the instrument for intelligent people in rough white text is a funny percussion design with attitude for drummers at back to school, birthdays, holidays and graduation. Let the good times roll in a durable T-Shirt that takes kids from school to play in an amazing array of colors. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar.