From the video's description:
| | | quote | | The vanguard of psychoacoustic music. Tartini Tones, Combination Tones and Heterodynes play with perception and push the boundaries of music. This video essay explores what they are, how to hear them, and how they’re used on the cutting edge of the avant-garde. |
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Before there were electronic tuners, we used to listen for what we called "interharmonic modulation" to tune an instrument. That may not be the right term, but that is what we called it.
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[This message has been edited by williegoat (edited 10-30-2017).]
