My son has an amazing ear for music. At 3 years old he would sit down at the piano and pick out the tune that he hummed all the time on his own, without me even showing him how to do it. He also sings songs from Frozen exactly on key, word for word and even hums the beginning intro music exactly like its played at the beginning of the movie. He doesn't play much anymore unless he is really over-stimulated and needs a release but he played alot more when he was younger and still can play that same tune. He also has a memory that just surprises me. He will remember things from years ago and tell me word for word what happened, and if I remember that time and most of the time I don't remember all the details but the event. It's like everything he picks up, he remembers forever!