Toddlers enjoy listening to music and will frequently hum or sing their favorite tunes. Most of the time, those tunes are nursery rhymes or lullabies. But it turns out that some toddlers develop a...
Toddlers enjoy listening to music and will frequently hum or sing their favorite tunes. Most of the time, those tunes are nursery rhymes or lullabies. But it turns out that some toddlers develop a...