On: The distinction between music and noise is mathematical form

[MrJagil]

A fiddle is not monotonic.

[andrewflnr → MrJagil]

Indeed. From the end of the third paragraph:

  And don't think that you need more than one instrument
  or more than one voice to make real music. Pretty much
  every musical instrument and every person's voice is a
  source of polytonic sound.