The Postscript My sister learned to whistle at age two. She was precocious in other ways as well. She knew how to read by the time she started kindergarten. She demonstrated a physical dexterity I never did. She was much more talented at the piano. But it was the whistling that really got to me. I was six when she started to whistle and I remember it clearly. She sat in her highchair at my grandparents’ house and started whistling her heart out. She could see, even at two, that she was creating quite a sensation and so she continued, louder, demonstrating ...