Personalized Band Nerd Trumpet Youth Long Sleeve T-Shirt. Music theme Youth Long Sleeve T-Shirt - White with silhouette with silhouette trumpet says BAND NERD. For trumpet, cornet, bugle players, marching band, symphony and orchestra musicians in the brass section. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)