<html> <head> <meta http-equiv="content-type" content="text/html; charset=ISO-8859-1"> </head> <body bgcolor="#FFFFFF" text="#000000"> The one bit of that approach that IS potentially interesting and useful, I think, is the electromagnetic exciter thingy that keeps the string vibrating, like a violin string.  Two things could come out of that: 1) A whole new sound possibility for the piano as an instrument and 2) an aid to tuning, redicing the need for hammer blows. Best regards, David. <a class="moz-txt-link-abbreviated" href="http://www.davidboyce.co.uk">www.davidboyce.co.uk</a> </body> </html>