<html xmlns:o="urn:schemas-microsoft-com:office:office" = xmlns:w="urn:schemas-microsoft-com:office:word" = xmlns="http://www.w3.org/TR/REC-html40"> <head> <meta http-equiv=Content-Type content="text/html; = charset=us-ascii"> <meta name=Generator content="Microsoft Word 11 (filtered medium)"> <style>  </style> </head> <body lang=EN-US link=blue vlink=purple> <div class=Section1> A client of mine has a new Mason and Hamlin BB, = 7’ grand.  He has a particularly keen ear, and any tonal problems give = him grief.  The piano was bought new in 2003.  I have worked on it = a couple of times, and the tech from the store has been there once.  = The problem is C7 through F#7 notes.  On each of these notes there is = at least one string that has wildly false beats.  The G7 on up to C8 sound beautiful and clear.  Below the C7 is likewise clear.  The C7 = and the D# 7 are particularly bad.  In each case it is the treble (right) = string that is the problem.  I made sure that the string is tight to the = bridge.  There doesn’t seem to be any impediment at the v bar.   = I “delicately” voiced with a needle, all to no avail.  Any suggestions as to cause = or cure????<o:p></o:p> <o:p> </o:p> Ed Carwithen<o:p></o:p> John Day, OR<o:p></o:p> </div> </body> </html>