[ Bruce Newman wrote in 120120 MMDigest:

> Most people don't realize that you can tune not only the
> fundamental tone but also the overtones.  This is one area
> that separates xylophones from marimbas.

Wow!  Thanks, Bruce, I've been working on these things for over
40 years, and I never knew that!  Live and learn!

Bob Loesch
Northern California, USA