Personalized Baritone Player Future Musician T-Shirt. Future Baritone player T-Shirt - White has when I grow up I'm gonna be a baritone player saying and colorful kids handprints. 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.