Personalized French Horn Musical Design Toddler Long Sleeve T-Shirt. French Horn grunge look music Toddler Long Sleeve Tee - White for the horn player in school band or a professional musician. A classic for Fall, Winter and Spring, these long sleeve toddler t-shirts are sure to be a staple in your child's wardrobe. Whether layered or alone, this t-shirt is soft yet durable enough to stand up to your toddler's playtime demands.