Personalized Trombone Text Christmas Tree Long Sleeve T-Shirt. A Christmas tree composed of trombone text and stars with musical notation garland is a unique low brass winter holiday gift design for musicians, music teachers and students in concert, jazz and marching bands. 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