Personalized Winter Tuba Toddler Long Sleeve T-Shirt. Patterned tuba text in a blue decorative oval is a unique gift design for low brass musicians, school music teachers and students in tuba choir, concert and marching band. 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.