Personalized Christmas Tree Dark Products T-Shirt. A Christmas tree made of music notes and a rest symbol trunk is a unique music design to spread the festive holiday spirit. Fun gifts for musicians and music lovers at winter holiday time. Everyone loves our Custom T-Shirts! Wardrobe essential for looking good, 24/7. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar. Shoulder-to-shoulder taping. Double-needle stitched sleeves, bottom hem and front neck. Note: greys are a cotton/polyester blend.