Personalized Trumpet Music Instrument Logo Youth Long Sleeve T-Shirt. You are sure to get a round of applause when you show up to your next band rehearsal or music gig with this cool grunge look trumpet Youth Long Sleeve T-Shirt - White. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)