Personalized Santa Tuba Player Egghead Toddler Long Sleeve T-Shirt. An egghead wearing a Santa hat with a tuba is a funny musical gift design for low brass musicians, music teachers and students at Christmas time. 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.