Personalized Amazing Tuba White Text Youth T-Shirt. Tuba the most amazing instrument there is in white text with a band of music notes is a unique sousaphone musical instrument gift design for low brass musicians, music teachers and school students in concert and marching band. 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.