Charles, I have a customer here in Houston that has a full size upright Bosendorfer. I've tuned it several times but d***ed if I can remember if it has a sostenuto or not. I will definitely check the next time I tune it. Avery >I wouldn't be surprised if the Bosendorfer or Bechstein uprights had >sostenutos. Has anybody even seen one of these? They are so expensive in the >US that I'd be surprised if anyone would have one. > >Charles Neuman
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