Personalized Cello Music Youth Long Sleeve T-Shirt. Strung out on cello music text with a cello graphic is a humorous design to tickle the funny bone of your favorite music lover at birthdays, holidays, back to school and graduation. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)