Personalized Trumpet Emblem Youth Long Sleeve T-Shirt. Trumpet in decorative text against a black emblem is a unique gift design for brass musicians, teachers and students in jazz band, concert and marching band 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)