Personalized Intelligent Cellist Line Drawing Youth Long Sleeve T-Shirt. Cello the instrument for intelligent people text with a line drawing of a cello and bow is a funny gift design with attitude for string musicians, music teachers and students in orchestra. youth long sleeve t-shirt. Shoulder-to-shoulder taping. Youth: S(6/8), M(10/12), L(14/16), XL(18/20)