Personalized Treble Clef Sing Music T-shirts Toddler T-Shirt. ocal Musician Treble Clef Toddler T-Shirt - Football Blue and White Show your love for singing with this fun choir or chorus design. It features a large treble clef sign with fun music themed Sing slogan. 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.