Personalized Flute Player Gift (treble) Long Sleeve T-Shirt. This funny where flutes go treble follows Long Sleeve T-Shirt - Black makes a great Long Sleeve T-Shirt - Black for a flute section or flute teacher. 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