Personalized Amazing Cello White Text Youth Long Sleeve T-Shirt. Cello the most amazing instrument there is text with a band of music notes is a unique music instrument gift design for string 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)