Personalized Coolest Tuba Youth T-Shirt. The world's coolest tuba player with a snowman tuba player wearing a music note scarf is a humorous low brass design. Fun gifts for musicians and band geeks at birthdays and holidays. 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.