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A comment on Mathematical explanation of music and white/black notes in a piano.
http://en.wikipedia.org/wiki/19_equal_temperament
there are also some mp3 files using 19 tone scale: e.g. http://www.harrington.lunarpages.com/mp3/Jeff-Harrington_Pre...
http://en.wikipedia.org/wiki/19_equal_temperament
there are also some mp3 files using 19 tone scale: e.g. http://www.harrington.lunarpages.com/mp3/Jeff-Harrington_Pre...