self tuning guitar

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"'With the TransPerformance Performer you push a button to activate a mechanical re-tensioning of the strings to any of a few hundred tunings, 'accurate to within 2 cents over the entire tuning range', in a couple of seconds. They can even refit your existing guitar. There's a long audio interview with Jimmy Page on the site. It's funny to hear him speak.'"

This is amazing. Now if they could only do this with pianos as well. It would be even kewler if they could have different presets in tuning. Wow, this could make for some really interesting music if you can change your tuning on the fly.