Mike,
While I understand and know first hand about polyphony issues....I find it somewhat opposing positions your argument takes i.e., if you cannot hear the dropped notes .....than how could it possibly matter. If one could hear the missing timpanist then it is an issue that needs to be corrected however if one could not hear the missing timpanist then it could not possibly matter.
Terry

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jam on,
Terry http://imjazzed.homestead.com/Index.html