Note Frequencies on Musical Scale
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Musical harmonies are created when notes with simple fraction frequency ratios are played simultaneously, as discovered by Pythagoras in ancient Greece. Many harmonies are played using different notes from a major scale. Play different notes from the C major scale to see and hear the ratios of note frequencies from the scale.
Contributed by: Richard Ni (July 2018)
Open content licensed under CC BY-NC-SA
This was a project for Advanced Topics in Mathematics II, 2016–2017, Torrey Pines High School, San Diego, CA.
 Wikipedia. "Musical Acoustics." (Feb 28, 2017) en.wikipedia.org/wiki/Musical_acoustics.