Local Variations by Bill Sethares

This performance is a piece by Bill Sethares. Bill is using a technique called Adaptive Tuning. More information on adaptive tuning can be found in the tuning dictionary of Joseph Monzo.

Here's how Joe explains Adaptive Tuning: "A form of temperament in which some algorithm is used which keeps the ratios of simultaneous sounds exactly in just-intonation, but uses non-JI melodic intervals to reduce the retuning motion and/or drift relative to a strict JI realization."

And it has a good beat. Bill's website has more information and much more music.

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