Twenty up-and-down arpeggios, each adding an additional note from the harmonic series.
You might notice the notes aren't all "in tune" with a normal piano. The numbers after each note represent the pitch change in cents, e.g. F# -49 is about halfway between F and F#. (Read up on different temperament/tuning systems to get an idea of why this matters...I'm too lazy to explain it)
Musically this isn't a very meaningful experiment, but I thought I'd do it anyway!
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