hello again- Pardon me for saying so, and I hope those involved have fun in the process, but I don't care how perfect the comparison- you will never get everyone to agree on what sort of temperament is most complimentary to the concert piano. On an individual basis however, that could be very informative. Actually - it has been shown in various ways (I did a class by examination of real commas on different pianos) but the greater the inharmonicity on a particular piano the more there is to be gained by unequal tuning. The better the piano, or the less the inharmonicity, the more it becomes a matter of personal judgment- which is no small matter, btw. A beautiful piano is going to sound beautiful with a good tuning no matter what unrestrictive temperament is used. Inharmonicity has the effect of reducing the size of the commas. That means a Pythagorean third beats significantly less on a spinet piano than on a concert grand. You can have your cake and eat it too. Dennis Johnson St. Olaf College
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