In a message dated 98-07-04 00:42:19 EDT, you write: << My goodness, how fascinating! I had thought that perhaps my customer's trouble with his perfect pitch (hearing everything a semitone low) was from changes in brain chemistry. However, from what you're saying, perhaps it was a problem with the elasticity of the eardrum itself. >> Greetings, Susan, My piano teacher of a few years ago (since deceased) heard different pitches with each ear! I believe they were about a half step apart. I have heard this effect associated with an auditory neuroma (a growth or swelling on the auditory nerve). Bob
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