Personalized Oh Boy Oboe White Text Toddler Long Sleeve T-Shirt. Oh boy oboe text with the letter O in the word oboe shaped like hearts is a unique gift design for woodwind musicians, music teachers and students. 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.