Frans; Years ago I used to tune at the St. Augustine school for the Blind and Deaf in St. Augustine, Florida. The music teacher there was a fine old gentleman who would have all of his students come around to one of the better pianos while I was tuning. I would explain what I was going to do and the ones who could hear would translate to the deaf children what I said. I would then demonstrate a pure note followed immediately by a beating note. I was always amazed a what a small difference in beat rates that the deaf children could pick up on. I would let some of the older, deaf and hearing, children try their hand at tuning unisons. After just a short time the deaf children could do almost as good a job of unison tuning as could the hearing. Each of these experiences was both heart warming and heart wrenching at the same time. Regards; Jim Bryant (FL)
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