Bill,
In my teaching days I had a guitar student that played circles around me when it comes to speed. He had been playing guitar for six months.

My wife had a piano student with perfect pitch. There are many that feel they have perfect pitch but fall short. I told him to stand in the hallway and they closed the studio door. When I played a note he not only named I he also told me what octave it was in.

Scary!
John C.