23edo: Difference between revisions

Wikispaces>xenwolf
**Imported revision 575541907 - Original comment: **
Wikispaces>Nickname2
**Imported revision 583021901 - Original comment: **
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<h2>IMPORTED REVISION FROM WIKISPACES</h2>
<h2>IMPORTED REVISION FROM WIKISPACES</h2>
This is an imported revision from Wikispaces. The revision metadata is included below for reference:<br>
This is an imported revision from Wikispaces. The revision metadata is included below for reference:<br>
: This revision was by author [[User:xenwolf|xenwolf]] and made on <tt>2016-02-22 17:33:38 UTC</tt>.<br>
: This revision was by author [[User:Nickname2|Nickname2]] and made on <tt>2016-05-13 08:21:16 UTC</tt>.<br>
: The original revision id was <tt>575541907</tt>.<br>
: The original revision id was <tt>583021901</tt>.<br>
: The revision comment was: <tt></tt><br>
: The revision comment was: <tt></tt><br>
The revision contents are below, presented both in the original Wikispaces Wikitext format, and in HTML exactly as Wikispaces rendered it.<br>
The revision contents are below, presented both in the original Wikispaces Wikitext format, and in HTML exactly as Wikispaces rendered it.<br>
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DMS value ||= Approximate
DMS value ||= Approximate
Ratios* ||= Armodue
Ratios* ||= Armodue
Notation ||
Notation || Notes ||
|| 0 || 0 ||= 1/1 ||= 1 ||
|| 0 || 0 ||= 1/1 ||= 1 ||  ||
|| 1 || 52.1739
|| 1 || 52.1739
15°39'8" ||= 33/32, 34/33 ||= 2b ||
15°39'8" ||= 33/32, 34/33 ||= 2b ||  ||
|| 2 || 104.3478
|| 2 || 104.3478
31°18'16" ||= 17/16, 16/15, 18/17 ||= 1# ||
31°18'16" ||= 17/16, 16/15, 18/17 ||= 1# || Less than 1-cent off 17/16 ||
|| 3 || 156.5217
|| 3 || 156.5217
47°57'23" ||= 11/10, 12/11, 35/32 ||= 2 ||
47°57'23" ||= 11/10, 12/11, 35/32 ||= 2 ||  ||
|| 4· || 208.6957
|| 4· || 208.6957
62°36'31" ||= 9/8, 44/39 ||= 3b ||
62°36'31" ||= 9/8, 44/39 ||= 3b ||  ||
|| 5 || 260.8696
|| 5 || 260.8696
78°15'39" ||= 7/6, 15/13, 29/25 ||= 2# ||
78°15'39" ||= 7/6, 15/13, 29/25 ||= 2# ||  ||
|| 6 || 313.0435
|| 6 || 313.0435
93°54'47" ||= 6/5 ||= 3 ||
93°54'47" ||= 6/5 ||= 3 || Much better at approximating 6/5 than 12-EDO ||
|| 7· || 365.2174
|| 7· || 365.2174
109°33'55" ||= 16/13, 21/17, 26/21 ||= 4b ||
109°33'55" ||= 16/13, 21/17, 26/21 ||= 4b ||  ||
|| 8 || 417.3913
|| 8 || 417.3913
125°13'3* ||= 14/11, 33/26 ||= 3# ||
125°13'3* ||= 14/11, 33/26 ||= 3# || Practically just approximation of 14/11 ||
|| 9 || 469.5652
|| 9 || 469.5652
140°52'10" ||= 21/16, 17/13 ||= 4 ||
140°52'10" ||= 21/16, 17/13 ||= 4 ||  ||
|| 10· || 521.7391
|| 10· || 521.7391
156°31'18" ||= 23/17, 88/65, 256/189 ||= 5 ||
156°31'18" ||= 23/17, 88/65, 256/189 ||= 5 ||  ||
|| 11 || 573.913
|| 11 || 573.913
172°10'26" ||= 7/5, 32/23, 46/33 ||= 6b ||
172°10'26" ||= 7/5, 32/23, 46/33 ||= 6b ||  ||
|| 12 || 626.087
|| 12 || 626.087
187°49'34" ||= 10/7, 23/16, 33/23 ||= 5# ||
187°49'34" ||= 10/7, 23/16, 33/23 ||= 5# ||  ||
|| 13· || 678.2609
|| 13· || 678.2609
204°28'42" ||= 34/23, 65/44, 189/128 ||= 6 ||
204°28'42" ||= 34/23, 65/44, 189/128 ||= 6 || Great generator for Hornbostel temperament. ||
|| 14 || 730.4348
|| 14 || 730.4348
219°7'50" ||= 32/21, 26/17 ||= 7b ||
219°7'50" ||= 32/21, 26/17 ||= 7b ||  ||
|| 15 || 782.6087
|| 15 || 782.6087
234°46'57" ||= 11/7, 52/33 ||= 6# ||
234°46'57" ||= 11/7, 52/33 ||= 6# ||  ||
|| 16· || 834.7826
|| 16· || 834.7826
251°26'5" ||= 13/8, 34/21, 21/13 ||= 7 ||
251°26'5" ||= 13/8, 34/21, 21/13 ||= 7 ||  ||
|| 17 || 886.9565
|| 17 || 886.9565
266°5'13" ||= 5/3 ||= 8b ||
266°5'13" ||= 5/3 ||= 8b ||  ||
|| 18 || 939.1304
|| 18 || 939.1304
282°44'21" ||= 12/7, 26/15, 50/29 ||= 7# ||
282°44'21" ||= 12/7, 26/15, 50/29 ||= 7# ||  ||
|| 19· || 991.3043
|| 19· || 991.3043
297°23'29" ||= 16/9, 39/22 ||= 8 ||
297°23'29" ||= 16/9, 39/22 ||= 8 ||  ||
|| 20 || 1043.4783
|| 20 || 1043.4783
313°2'37" ||= 11/6, 20/11, 64/35 ||= 9b ||
313°2'37" ||= 11/6, 20/11, 64/35 ||= 9b ||  ||
|| 21 || 1095.6522
|| 21 || 1095.6522
328°41'44" ||= 15/8, 17/9, 32/17 ||= 8# ||
328°41'44" ||= 15/8, 17/9, 32/17 ||= 8# ||  ||
|| 22 || 1147.8261
|| 22 || 1147.8261
344°40'52" ||= 33/17, 64/33 ||= 9 ||
344°40'52" ||= 33/17, 64/33 ||= 9 ||  ||
|| 23·· || 1200
|| 23·· || 1200
360° ||= 2/1 ||= 1 ||
360° ||= 2/1 ||= 1 ||  ||


*based on treating 23-EDO as a 2.9.15.21.33.13.17 subgroup temperament; other approaches are possible.
*based on treating 23-EDO as a 2.9.15.21.33.13.17 subgroup temperament; other approaches are possible.
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&lt;!-- ws:start:WikiTextHeadingRule:4:&amp;lt;h2&amp;gt; --&gt;&lt;h2 id="toc1"&gt;&lt;a name="x23 tone equal temperament-Intervals"&gt;&lt;/a&gt;&lt;!-- ws:end:WikiTextHeadingRule:4 --&gt;&lt;span style="font-size: 1.4em;"&gt;Intervals&lt;/span&gt;&lt;/h2&gt;
&lt;!-- ws:start:WikiTextHeadingRule:4:&amp;lt;h2&amp;gt; --&gt;&lt;h2 id="toc1"&gt;&lt;a name="x23 tone equal temperament-Intervals"&gt;&lt;/a&gt;&lt;!-- ws:end:WikiTextHeadingRule:4 --&gt;&lt;span style="font-size: 1.4em;"&gt;Intervals&lt;/span&gt;&lt;/h2&gt;
  &lt;br /&gt;
  &lt;br /&gt;
&lt;!-- ws:start:WikiTextLocalImageRule:766:&amp;lt;a href=&amp;quot;/Harmony%20of%2023edo&amp;quot;&amp;gt;&amp;lt;img src=&amp;quot;/file/view/Ciclo%20Icositrifon%C3%ADa.png/390051610/491x490/Ciclo%20Icositrifon%C3%ADa.png&amp;quot; alt=&amp;quot;&amp;quot; title=&amp;quot;&amp;quot; style=&amp;quot;height: 490px; width: 491px;&amp;quot; /&amp;gt;&amp;lt;/a&amp;gt; --&gt;&lt;a href="/Harmony%20of%2023edo"&gt;&lt;img src="/file/view/Ciclo%20Icositrifon%C3%ADa.png/390051610/491x490/Ciclo%20Icositrifon%C3%ADa.png" alt="Ciclo Icositrifonía.png" title="Ciclo Icositrifonía.png" style="height: 490px; width: 491px;" /&gt;&lt;/a&gt;&lt;!-- ws:end:WikiTextLocalImageRule:766 --&gt;&lt;br /&gt;
&lt;!-- ws:start:WikiTextLocalImageRule:816:&amp;lt;a href=&amp;quot;/Harmony%20of%2023edo&amp;quot;&amp;gt;&amp;lt;img src=&amp;quot;/file/view/Ciclo%20Icositrifon%C3%ADa.png/390051610/491x490/Ciclo%20Icositrifon%C3%ADa.png&amp;quot; alt=&amp;quot;&amp;quot; title=&amp;quot;&amp;quot; style=&amp;quot;height: 490px; width: 491px;&amp;quot; /&amp;gt;&amp;lt;/a&amp;gt; --&gt;&lt;a href="/Harmony%20of%2023edo"&gt;&lt;img src="/file/view/Ciclo%20Icositrifon%C3%ADa.png/390051610/491x490/Ciclo%20Icositrifon%C3%ADa.png" alt="Ciclo Icositrifonía.png" title="Ciclo Icositrifonía.png" style="height: 490px; width: 491px;" /&gt;&lt;/a&gt;&lt;!-- ws:end:WikiTextLocalImageRule:816 --&gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;


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         &lt;td style="text-align: center;"&gt;Armodue&lt;br /&gt;
         &lt;td style="text-align: center;"&gt;Armodue&lt;br /&gt;
Notation&lt;br /&gt;
Notation&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;Notes&lt;br /&gt;
&lt;/td&gt;
&lt;/td&gt;
     &lt;/tr&gt;
     &lt;/tr&gt;
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&lt;/td&gt;
&lt;/td&gt;
         &lt;td style="text-align: center;"&gt;1&lt;br /&gt;
         &lt;td style="text-align: center;"&gt;1&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
&lt;/td&gt;
     &lt;/tr&gt;
     &lt;/tr&gt;
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&lt;/td&gt;
&lt;/td&gt;
         &lt;td style="text-align: center;"&gt;2b&lt;br /&gt;
         &lt;td style="text-align: center;"&gt;2b&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
&lt;/td&gt;
     &lt;/tr&gt;
     &lt;/tr&gt;
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&lt;/td&gt;
&lt;/td&gt;
         &lt;td style="text-align: center;"&gt;1#&lt;br /&gt;
         &lt;td style="text-align: center;"&gt;1#&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;Less than 1-cent off 17/16&lt;br /&gt;
&lt;/td&gt;
&lt;/td&gt;
     &lt;/tr&gt;
     &lt;/tr&gt;
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&lt;/td&gt;
&lt;/td&gt;
         &lt;td style="text-align: center;"&gt;2&lt;br /&gt;
         &lt;td style="text-align: center;"&gt;2&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
&lt;/td&gt;
     &lt;/tr&gt;
     &lt;/tr&gt;
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&lt;/td&gt;
&lt;/td&gt;
         &lt;td style="text-align: center;"&gt;3b&lt;br /&gt;
         &lt;td style="text-align: center;"&gt;3b&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
&lt;/td&gt;
     &lt;/tr&gt;
     &lt;/tr&gt;
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&lt;/td&gt;
&lt;/td&gt;
         &lt;td style="text-align: center;"&gt;2#&lt;br /&gt;
         &lt;td style="text-align: center;"&gt;2#&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
&lt;/td&gt;
     &lt;/tr&gt;
     &lt;/tr&gt;
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&lt;/td&gt;
&lt;/td&gt;
         &lt;td style="text-align: center;"&gt;3&lt;br /&gt;
         &lt;td style="text-align: center;"&gt;3&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;Much better at approximating 6/5 than 12-EDO&lt;br /&gt;
&lt;/td&gt;
&lt;/td&gt;
     &lt;/tr&gt;
     &lt;/tr&gt;
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&lt;/td&gt;
&lt;/td&gt;
         &lt;td style="text-align: center;"&gt;4b&lt;br /&gt;
         &lt;td style="text-align: center;"&gt;4b&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
&lt;/td&gt;
     &lt;/tr&gt;
     &lt;/tr&gt;
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&lt;/td&gt;
&lt;/td&gt;
         &lt;td style="text-align: center;"&gt;3#&lt;br /&gt;
         &lt;td style="text-align: center;"&gt;3#&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;Practically just approximation of 14/11&lt;br /&gt;
&lt;/td&gt;
&lt;/td&gt;
     &lt;/tr&gt;
     &lt;/tr&gt;
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&lt;/td&gt;
&lt;/td&gt;
         &lt;td style="text-align: center;"&gt;4&lt;br /&gt;
         &lt;td style="text-align: center;"&gt;4&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
&lt;/td&gt;
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&lt;/td&gt;
&lt;/td&gt;
         &lt;td style="text-align: center;"&gt;5&lt;br /&gt;
         &lt;td style="text-align: center;"&gt;5&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
&lt;/td&gt;
     &lt;/tr&gt;
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&lt;/td&gt;
&lt;/td&gt;
         &lt;td style="text-align: center;"&gt;6b&lt;br /&gt;
         &lt;td style="text-align: center;"&gt;6b&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
&lt;/td&gt;
     &lt;/tr&gt;
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&lt;/td&gt;
&lt;/td&gt;
         &lt;td style="text-align: center;"&gt;5#&lt;br /&gt;
         &lt;td style="text-align: center;"&gt;5#&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
&lt;/td&gt;
     &lt;/tr&gt;
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&lt;/td&gt;
&lt;/td&gt;
         &lt;td style="text-align: center;"&gt;6&lt;br /&gt;
         &lt;td style="text-align: center;"&gt;6&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;Great generator for Hornbostel temperament.&lt;br /&gt;
&lt;/td&gt;
&lt;/td&gt;
     &lt;/tr&gt;
     &lt;/tr&gt;
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&lt;/td&gt;
&lt;/td&gt;
         &lt;td style="text-align: center;"&gt;7b&lt;br /&gt;
         &lt;td style="text-align: center;"&gt;7b&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
&lt;/td&gt;
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&lt;/td&gt;
&lt;/td&gt;
         &lt;td style="text-align: center;"&gt;6#&lt;br /&gt;
         &lt;td style="text-align: center;"&gt;6#&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
&lt;/td&gt;
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&lt;/td&gt;
&lt;/td&gt;
         &lt;td style="text-align: center;"&gt;7&lt;br /&gt;
         &lt;td style="text-align: center;"&gt;7&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
&lt;/td&gt;
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&lt;/td&gt;
&lt;/td&gt;
         &lt;td style="text-align: center;"&gt;8b&lt;br /&gt;
         &lt;td style="text-align: center;"&gt;8b&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
&lt;/td&gt;
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&lt;/td&gt;
&lt;/td&gt;
         &lt;td style="text-align: center;"&gt;7#&lt;br /&gt;
         &lt;td style="text-align: center;"&gt;7#&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
&lt;/td&gt;
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&lt;/td&gt;
&lt;/td&gt;
         &lt;td style="text-align: center;"&gt;8&lt;br /&gt;
         &lt;td style="text-align: center;"&gt;8&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
&lt;/td&gt;
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&lt;/td&gt;
&lt;/td&gt;
         &lt;td style="text-align: center;"&gt;9b&lt;br /&gt;
         &lt;td style="text-align: center;"&gt;9b&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
&lt;/td&gt;
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&lt;/td&gt;
&lt;/td&gt;
         &lt;td style="text-align: center;"&gt;8#&lt;br /&gt;
         &lt;td style="text-align: center;"&gt;8#&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
&lt;/td&gt;
     &lt;/tr&gt;
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&lt;/td&gt;
&lt;/td&gt;
         &lt;td style="text-align: center;"&gt;9&lt;br /&gt;
         &lt;td style="text-align: center;"&gt;9&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
&lt;/td&gt;
     &lt;/tr&gt;
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&lt;/td&gt;
&lt;/td&gt;
         &lt;td style="text-align: center;"&gt;1&lt;br /&gt;
         &lt;td style="text-align: center;"&gt;1&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
&lt;/td&gt;
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The chart below shows some of the &lt;a class="wiki_link" href="/MOSScales"&gt;Moment of Symmetry (MOS)&lt;/a&gt; modes of &lt;a class="wiki_link" href="/Mavila"&gt;Mavila&lt;/a&gt; available in 23edo, mainly Pentatonic(5-note), anti-diatonic(7-note), 9- and 16-note MOSs. Here the outer ring represents individual step of 23edo itself, while the rings moving inward represent 16, 9, 7 and 5 note MOSs:&lt;br /&gt;
The chart below shows some of the &lt;a class="wiki_link" href="/MOSScales"&gt;Moment of Symmetry (MOS)&lt;/a&gt; modes of &lt;a class="wiki_link" href="/Mavila"&gt;Mavila&lt;/a&gt; available in 23edo, mainly Pentatonic(5-note), anti-diatonic(7-note), 9- and 16-note MOSs. Here the outer ring represents individual step of 23edo itself, while the rings moving inward represent 16, 9, 7 and 5 note MOSs:&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;!-- ws:start:WikiTextLocalImageRule:767:&amp;lt;img src=&amp;quot;/file/view/23edoMavilaMOS.jpg/288679838/23edoMavilaMOS.jpg&amp;quot; alt=&amp;quot;&amp;quot; title=&amp;quot;&amp;quot; /&amp;gt; --&gt;&lt;img src="/file/view/23edoMavilaMOS.jpg/288679838/23edoMavilaMOS.jpg" alt="23edoMavilaMOS.jpg" title="23edoMavilaMOS.jpg" /&gt;&lt;!-- ws:end:WikiTextLocalImageRule:767 --&gt;&lt;br /&gt;
&lt;!-- ws:start:WikiTextLocalImageRule:817:&amp;lt;img src=&amp;quot;/file/view/23edoMavilaMOS.jpg/288679838/23edoMavilaMOS.jpg&amp;quot; alt=&amp;quot;&amp;quot; title=&amp;quot;&amp;quot; /&amp;gt; --&gt;&lt;img src="/file/view/23edoMavilaMOS.jpg/288679838/23edoMavilaMOS.jpg" alt="23edoMavilaMOS.jpg" title="23edoMavilaMOS.jpg" /&gt;&lt;!-- ws:end:WikiTextLocalImageRule:817 --&gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
23-EDO was proposed by ethnomusicologist &lt;a class="wiki_link_ext" href="http://en.wikipedia.org/wiki/Erich_von_Hornbostel" rel="nofollow"&gt;Erich von Hornbostel&lt;/a&gt; as the result of continuing a circle of &amp;quot;blown&amp;quot; fifths of ~678-cent fifths that (he argued) resulted from &amp;quot;overblowing&amp;quot; a bamboo pipe.&lt;br /&gt;
23-EDO was proposed by ethnomusicologist &lt;a class="wiki_link_ext" href="http://en.wikipedia.org/wiki/Erich_von_Hornbostel" rel="nofollow"&gt;Erich von Hornbostel&lt;/a&gt; as the result of continuing a circle of &amp;quot;blown&amp;quot; fifths of ~678-cent fifths that (he argued) resulted from &amp;quot;overblowing&amp;quot; a bamboo pipe.&lt;br /&gt;
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&lt;br /&gt;
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&lt;em&gt;An Icositriphonic 8-string Guitar. 23-ED2 Guitar by Ron Sword.&lt;/em&gt;&lt;br /&gt;
&lt;em&gt;An Icositriphonic 8-string Guitar. 23-ED2 Guitar by Ron Sword.&lt;/em&gt;&lt;br /&gt;
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&lt;em&gt;An Icositriphonic P-Bass. 23-ED2 Bass by Tútim Dennsuul Wafiil.&lt;/em&gt;&lt;br /&gt;
&lt;em&gt;An Icositriphonic P-Bass. 23-ED2 Bass by Tútim Dennsuul Wafiil.&lt;/em&gt;&lt;br /&gt;
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&lt;em&gt;An Icositriphonic 'Hendrix' TravelGuitar. 23-ED2 'Gitar' by Tútim Dennsuul Wafiil.&lt;/em&gt;&lt;br /&gt;
&lt;em&gt;An Icositriphonic 'Hendrix' TravelGuitar. 23-ED2 'Gitar' by Tútim Dennsuul Wafiil.&lt;/em&gt;&lt;br /&gt;
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&lt;em&gt;The 'Icositritar', 23-ED2 5-string Acoustic Guitar by Tútim Dennsuul Wafiil.&lt;/em&gt;&lt;br /&gt;
&lt;em&gt;The 'Icositritar', 23-ED2 5-string Acoustic Guitar by Tútim Dennsuul Wafiil.&lt;/em&gt;&lt;br /&gt;
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&lt;em&gt;An illustrative image of a 23-ED2 Keyboard&lt;/em&gt;&lt;br /&gt;
&lt;em&gt;An illustrative image of a 23-ED2 Keyboard&lt;/em&gt;&lt;br /&gt;
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Chris Vaisvil made a do it yourself 23 edo electric guitar out of less than $50 of material. Here he is playing it.&lt;br /&gt;
Chris Vaisvil made a do it yourself 23 edo electric guitar out of less than $50 of material. Here he is playing it.&lt;br /&gt;
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Here is a still shot of the completed instrument.&lt;br /&gt;
Here is a still shot of the completed instrument.&lt;br /&gt;
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This movie is a series of still shots Chris took during the process of making a 23 edo guitar in a stick like form. At the end the guitar is played without effects etc. and the open string tuning is sounded - which starts with a normal E and then adjusted to the 9th / 7th fret unison, like a typical 12edo guitar fashion.&lt;br /&gt;
This movie is a series of still shots Chris took during the process of making a 23 edo guitar in a stick like form. At the end the guitar is played without effects etc. and the open string tuning is sounded - which starts with a normal E and then adjusted to the 9th / 7th fret unison, like a typical 12edo guitar fashion.&lt;br /&gt;
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