Drexel dragonThe Math ForumDonate to the Math Forum


Math Forum
 Ask Dr. Math
 Discussions
 Internet Newsletter
 MathTools
 Problems of the Week
 Teacher2Teacher
 Teacher Exchange
 Workshops

Search All of the Math Forum:
Browse our Internet Mathematics Library

Views expressed in these public forums are not endorsed by Drexel University or The Math Forum.


Math Forum » Discussions » Math Topics » geometry.pre-college.independent

Topic: Pythagoreans and Music
Replies: 13   Last Post: Oct 23, 1997 12:11 PM

Advanced Search
Reply to this Topic Reply to this Topic

Back to Topic List Back to Topic List Jump to Tree View Jump to Tree View   Messages: [ Previous | Next ]
John Conway

Posts: 2,238
Registered: 12/3/04
Re: Pythagoreans and music
Posted: Apr 18, 1996 4:34 AM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply



On 18 Apr 1996, Brian Hutchings wrote:

> OK, and the triad is, for an instance, CD#F#, which's also a trans-
> position of the dim7s on D# and F#, as you can see by sliding it
> up 3 frets at a time on a guitar; there's a 2^(3/12) in there, also.
> well, I guess that it's just a Dim, not a dim7; it's confusing, as
> the C7 chord is more naturally harmonic than the Cmaj7 one, although
> it includes a black key; G7 is all white keys, though.
>
>
>
> "Time is the only dimension." -RBFuller
>


I'm sorry I sent of my last communication just before seeing
this one. So the Devil's Triad, with two ratios of 2^(1/4) multiplying
to the Devil's ratio of 2^(1/2), is actually self-inverse. That's
nice!

John Conway

Point your RSS reader here for a feed of the latest messages in this topic.

[Privacy Policy] [Terms of Use]

© Drexel University 1994-2013. All Rights Reserved.
The Math Forum is a research and educational enterprise of the Drexel University School of Education.