The song "Baby Blue" by David Hugo is about a child not wanting to go to kindergarten but eventually making a friend. The lyrics describe the child throwing a tantrum to avoid going to kindergarten and crying when leaving their parent. However, they find comfort in a new friend who holds their hand. The friend supports the child when they are scared and provides companionship during difficult times. The color blue is used to represent the emotions of the child throughout the song. Overall, the song emphasizes the importance of friendship and companionship during difficult times, especially during the transition from childhood to preschool.