[list][*][url=https://en.wikipedia.org/wiki/53_equal_temperament]https://en.wikipedia.org/wiki/53_equal_temperament[/url][/*][*][url=https://en.wikipedia.org/wiki/Five-limit_tuning]https://en.wikipedia.org/wiki/Five-limit_tuning[/url][/*][*][url=http://ripnread.com/listen/sing53-c5-slow.mp3]http://ripnread.com/listen/sing53-c5-slow.mp3[/url] [br][/*][*][url=http://www.math.uwaterloo.ca/~mrubinst/tuning/12.html]http://www.math.uwaterloo.ca/~mrubinst/tuning/12.html[/url][/*][*][url=https://letterstonature.wordpress.com/2008/05/23/the-imperfection-of-the-musical-scale-part-1/]https://letterstonature.wordpress.com/2008/05/23/the-imperfection-of-the-musical-scale-part-1/[/url][br][/*][*][url=https://letterstonature.wordpress.com/2008/06/08/the-imperfection-of-the-musical-scale-part-2/]https://letterstonature.wordpress.com/2008/06/08/the-imperfection-of-the-musical-scale-part-2/ [/url][/*][*][url=https://hubpages.com/entertainment/tuning-systems]https://hubpages.com/entertainment/tuning-systems[/url] [/*][/list]