A colleague called me from an appointment asking about a problem he couldn't solve. I haven't seen the piano, but my regulation suggestions did not take care of the problem. 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 davidlovepianos@earthlink.net
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