Daniel Levitin

https://youtu.be/CJMwWX8WX3o (Part 1)

https://youtu.be/k4--Pq0bci4 (Part 2)

Facial expressions pianists

https://youtu.be/7uXsNPK9BDY

Musical gestures conductors

https://youtu.be/uJoOYg7Qvc8

Carlos Kleiber The art of conducting