If you aren’t a member of TED.com, you should be — “TED” stands for “Technology, Entertainment and Design” — and some of the most forward-thinking and brilliant minds appear there to share with you the truths of what they know.

John Q. Walker gives a fine lecture on how he has been able to recreate the great pianists — not performances, but the aesthetic and style of the performer — by digitally discerning finger pressure, pedal movement and their artistic, ethereal, intention.