I'm not sure if it is all children, but my kids have been musically inclined from the time they were about 4 months old. Even in their earlier days, they loved the sound of music and could instantly be soothed by humming or lullabies. As they got older, both my girls started "dancing" as soon as they learned to hold their head up and sit on their own. They would sway from side to side each time music came on. My 10 month old, who can't walk yet, ...