Personalized Amazing Tuba Long Sleeve T-Shirt. Tuba the most amazing instrument there is 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. Pre-shrunk 100% cotton 6.1 ounce long sleeve t-shirt. Double-needle stitched neckline and sleeves. Quarter turned. Shoulder-to-shoulder taping. Adult: S, M, L, XL, 2XL, 3XL