Personalized Band Nerd French Horn WHT Toddler Long Sleeve T-Shirt. Music theme Toddler Long Sleeve Tee - Black with silhouette French Horn says BAND NERD. For marching band, symphony and orchestra musicians in the brass section. 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.