Personalized Cool Trombone Player Toddler Long Sleeve T-Shirt. Cool Trombone Player text with a snowman musician playing a horn and wearing a music note scarf is a humorous winter design to tickle the funny bone of low brass musicians and music teachers. 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.