I think Stanford and Harvard work for 2 years , signifies the most important invention for luthiers. I think with this invention you can get Bosendorfer sound or Guarneri sound from your guitar without using any electronics. Paper puts the algorithm to design and get , any time AND frequency sound from laser cut metal flat plate piece when someone hit with an small object. http://www.cs.columbia.edu/~cxz/publications/metallophone.pdf Now if we can design and have it cut with laser , flat, thin , metal piece which have the exact frequency spectrum and time output , CAN WE CUT METAL GUITAR BODY AS OUR IMPULSE RESPONSER AND DOES IT ACT AS ELECTRONIC IMPULSE RESPONSE BOX ?- IMPULSE RESPONSE IS A SHORT RESPONSE OF A VIOLIN WHEN HIT WITH A SMALL HAMMER. WHEN YOU CREATE A ELECTRONIC CIRCUIT WITH IMPULSE RESPONSE RECORD , IT OUTPUTS THE ENTIRE VIOLIN SOUNDS. WHEN YOU CREATE AN NEW VIOLIN WITH 200 YEARS OLD IMPULSE RESPONSE , IT WOULD BE THE SAME. I am thinking to create a metal plate with bass strings which designed to give out the piano impulse response record and creates the entire piano sound . But may be I understood everything wrong , come , help me .