At 11:49 AM 5/6/2005 +0000, Don wrote: >Hi Susan, > >What I have observed is the piano being "whacked" so hard that unisons go >out on a temporary basis. I checked them immediately *after* the >performance--and they were out. The next day they were fine again. Ah, the self-healing unisons. I really like those, too. I think that moderate playing helps them joggle back into equality of tension between the different wire segments. But I have sometimes had the opposite experience. There I am at a concert where the whole stage is shaking from the blows the piano is taking -- the tuning survives -- I'm filled with relief and glee -- there's another concert the next week, and I think, "well the piano held okay, so this shouldn't be too hard a tuning" and then when I get to the piano, the tuning is all over the place. I have no idea how this can happen, but I've met it a few times. Susan
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