JIMRPT@AOL.COM writes: << It ain't the quietness or noisiness of a ceiling fan that does the "warble" bit...it is the doppler effect of the blades turning while you are playing/tuning. - Jim Bryant (FL) >> I totally agree, and I am sure it was the fan the gave such a strange effect and caused the problem. I just mentioned that it was ultraquiet because without looking at it, there was no tip-off that it was on. If it had made noise when I was listening hard, I would have turned it off and missed the tremendous learning opportunity it created. Bill Simon Phoenix
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