Personalized Trombone Solos White Text Youth Long Sleeve T-Shirt. The world needs more trombone solos in white text with the image of the earth in the bell of a trombone is a funny low brass gift design for musicians at back to school, birthdays, holidays and graduation. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)