Steinway Sostenuto

[Ron Nossaman]

>NY Steinway, c 1950.  Hinged sostenuto tabs.  Push down the sostenuto, push
>down the sustain pedal, release the sostenuto, release the sustain pedal,
>KTHUNK.  Normally this occurs on pianos with tabs that are not flexible,
>but not on with flexible tabs.  Regulation of the sostenuto does not seem
>to be the problem, though I was not there.  Thoughts?
>
>
>David Love

I wasn't aware this was avoidable with any sostenuto system that was 
otherwise working.

Ron N