Personalized Baritone Player Future Musician Youth T-Shirt. Future Baritone player Youth T-Shirt - White has when I grow up I'm gonna be a baritone player saying and colorful kids handprints. Let the good times roll in a durable T-Shirt that takes kids from school to play in an amazing array of colors. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar.