Personalized Musical Brain Toddler T-Shirt. My brain on music in colorful text with an image of a happy brain with music note in it's eyes is a humorous music gift design for musicians and music lovers at birthdays and holidays. A toddler-soft cotton tee in look-at-me, big kid colors. 4.5 oz., 100% combed ringspun cotton. White is sewn with 100% cotton thread. Topstitched rib crew neck. Double-needle stitched sleeves and bottom hem. Shoulder-to-shoulder taping.