Personalized Pianist Worlds Best Long Sleeve T-Shirt. Piano Player Pianist Long Sleeve T-Shirt - White has Worlds Best quote and stylized music staff with treble clef and music notes. Pre-shrunk 100% cotton 6.1 ounce long sleeve t-shirt. Double-needle stitched neckline and sleeves. Quarter turned. Shoulder-to-shoulder taping. Adult: S, M, L, XL, 2XL, 3XL