Personalized Sketchy Tuba Text and Pattern Toddler Long Sleeve T-Shirt. A sketchy tuba and text against a colorful rough distressed patterned background is a unique gift design for low brass musicians, school music teachers and sousaphone 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.