Personalized Sketchy Tuba Text and Pattern Youth Long Sleeve T-Shirt. A sketchy tuba and text against a colorful rough distressed patterned background is a unique gift design for low brass musicians, school music teachers and sousaphone students in tuba choir, concert and marching band. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)