Math and Music

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As a real-life example : working with a chamber choir, we tuned to the (digital) piano CGEC, sustained the chord then cut it off. For 15 seconds the echo persisted in the space. Then again, sans piano, tuning harmonically to each other. 34 seconds.
I take it that with the choir being more in-tune, that the notes reinforced each other, so they died out slower? I think that makes some sense physically. I think that should hold even with a digital reverb unit. I have an old Yamaha MIDI module that supports a variety of tunings (including harmonic, for a specific key), I will try to drag it out and see if I can replicate that.
 
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Well, Beethoven still sounds good on a piano and would make no sense in equal temperament

Some primarily French composers in the 70s began writing music based on actual partials rather than equal tempered tuning with some cool results.
Thanks : currently youtubing more of his stuff.

I take it that with the choir being more in-tune, that the notes reinforced each other, so they died out slower? I think that makes some sense physically. I think that should hold even with a digital reverb unit. I have an old Yamaha MIDI module that supports a variety of tunings (including harmonic, for a specific key), I will try to drag it out and see if I can replicate that.
20ppl, large'ish gothic church. Might've been counting manually, but the ratio should be the same. See if you get extra harmonics as well.
 

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