In a message dated 12/20/1999 11:23:10 PM, you wrote: <<"Shouldnt we know how to tune the duplex-system to pass the PTG exam? It must be important or piano makers wouldn't bother with it. Johannes">> Johannes; First, No we shouldn't know how to tune the duplexes to pass the eaxm...heck we could hardly agree on the tuning of the temperament much less a duplex!! :-) The importance of 'most' duplex scales falls somewhere in between 'white sidewall tires' and 'twelve speed toasters'. My view. Jim Bryant (FL)
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