Mitsuko Uchida -- our go-to for intelligent, elegant Mozart, Schumann and Schubert -- knows if you've been playing one of her four coveted Steinways.
"A good car driver will know if someone else has driven their car. It's the same for me: if someone has touched one of my pianos, I will know instantly, because the piano will be cross!"
Read more on her extrasensory pianos, which she regards as sons.