23edo: Difference between revisions

Wikispaces>spt3125
**Imported revision 615832267 - Original comment: added link (deorphaning)**
Wikispaces>Osmiorisbendi
**Imported revision 630491565 - 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:spt3125|spt3125]] and made on <tt>2017-07-22 19:53:40 UTC</tt>.<br>
: This revision was by author [[User:Osmiorisbendi|Osmiorisbendi]] and made on <tt>2018-06-09 21:59:32 UTC</tt>.<br>
: The original revision id was <tt>615832267</tt>.<br>
: The original revision id was <tt>630491565</tt>.<br>
: The revision comment was: <tt>added link (deorphaning)</tt><br>
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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>
<h4>Original Wikitext content:</h4>
<h4>Original Wikitext content:</h4>
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=&lt;span style="background-color: #ffffff; color: #00b7e3; font-family: 'Times New Roman',Times,serif; font-size: 113%;"&gt;23 tone equal temperament&lt;/span&gt;=  
=&lt;span style="background-color: #ffffff; color: #00b7e3; font-family: &amp;#39;Times New Roman&amp;#39;,Times,serif; font-size: 113%;"&gt;23 tone equal temperament&lt;/span&gt;=  


**//23-tET//**, or **//23-EDO//**, is a tempered musical system which divides the [[octave]] into 23 equal parts of approximately 52.173913 cents, which is also called with the neologism Icositriphony //(Icositrifonía)//. It has good approximations for [[5_3|5/3]], [[11_7|11/7]], 13 and 17, allowing it to represent the 2.5/3.11/7.13.17 [[just intonation subgroup]]. If to this subgroup is added the commas of [[17-limit]] [[46edo]], the larger 17-limit [[k*N subgroups|2*23 subgroup]] 2.9.15.21.33.13.17 is obtained. This is the largest subgroup on which 23 has the same tuning and commas as does 17-limit·46edo, and may be regarded as a basis for analyzing the harmony of 23-EDO so far, as approximations to just intervals goes. 23edo is the 9th [[prime numbers|prime]] edo, following [[19edo]] and coming before [[29edo]].
**//23-tET//**, or **//23-EDO//**, is a tempered musical system which divides the [[octave]] into 23 equal parts of approximately 52.173913 cents, which is also called with the neologism Icositriphony //(Icositrifonía)//. It has good approximations for [[5_3|5/3]], [[11_7|11/7]], 13 and 17, allowing it to represent the 2.5/3.11/7.13.17 [[just intonation subgroup]]. If to this subgroup is added the commas of [[17-limit]] [[46edo]], the larger 17-limit [[k*N subgroups|2*23 subgroup]] 2.9.15.21.33.13.17 is obtained. This is the largest subgroup on which 23 has the same tuning and commas as does 17-limit·46edo, and may be regarded as a basis for analyzing the harmony of 23-EDO so far, as approximations to just intervals goes. 23edo is the 9th [[prime numbers|prime]] edo, following [[19edo]] and coming before [[29edo]].
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23-EDO was proposed by ethnomusicologist [[http://en.wikipedia.org/wiki/Erich_von_Hornbostel|Erich von Hornbostel]] as the result of continuing a circle of "blown" fifths of ~678-cent fifths that (he argued) resulted from "overblowing" a bamboo pipe.
23-EDO was proposed by ethnomusicologist [[http://en.wikipedia.org/wiki/Erich_von_Hornbostel|Erich von Hornbostel]] as the result of continuing a circle of "blown" fifths of ~678-cent fifths that (he argued) resulted from "overblowing" a bamboo pipe.


23-EDO is also significant in that it is the largest EDO that fails to approximate the 3rd, 5th, 7th, and 11th harmonics within 20 cents, which makes it well-suited for musicians seeking to explore harmonic territory that is unusual even for the average microtonalist. Oddly, despite the fact that it fails to approximate these harmonics, it approximates the intervals between them (5/3, 7/3, 11/3, 7/5, 11/7, and 11/5) very well. The lowest harmonics well-approximated by 23-EDO are 13, 17, 21, and 23. See [[Harmony of 23edo|here]] for more details. Also note that some approximations can be improved by [[23edo and octave stretching|octave stretching]].
23-EDO is also significant in that it is the largest EDO that fails to approximate the 3rd, 5th, 7th, and 11th harmonics within 20 cents, which makes it well-suited for musicians seeking to explore harmonic territory that is unusual even for the average microtonalist. Oddly, despite the fact that it fails to approximate these harmonics, it approximates the intervals between them (5/3, 7/3, 11/3, 7/5, 11/7, and 11/5) very well. The lowest harmonics well-approximated by 23-EDO are 13, 17, 21, and 23. See [[Harmony of 23edo|here]] for more details. Also note that some approximations can be improved by [[23edo and octave stretching|octave stretching]].


As with[[9edo| 9-EDO]], [[16edo|16-EDO]], and [[25edo|25-EDO]], one way to treat 23-EDO is as a Pelogic temperament, tempering out the "comma" of 135/128 and equating three 'acute [[4_3|4/3]]'s with 5/1 (related to the Armodue system). This means mapping '[[3_2|3/2]]' to 13 degrees of 23, and results in a 7 notes [[2L 5s|Anti-diatonic scale]] of 3 3 4 3 3 3 4 (in steps of 23-EDO), which extends to 9 notes [[7L 2s|Superdiatonic scale]] (3 3 3 1 3 3 3 3 1). One can notate 23-EDO using the Armodue system, but just like notating 17-EDO with familiar diatonic notation, flats will be lower in pitch than enharmonic sharps, because in 23-EDO, the "Armodue 6th" is sharper than it is in 16-EDO, just like the Diatonic 5th in 17-EDO is sharper than in 12-EDO. In other words, 2b is lower in pitch than 1#, just like how in 17-EDO, Eb is lower than D#.
As with[[9edo| 9-EDO]], [[16edo|16-EDO]], and [[25edo|25-EDO]], one way to treat 23-EDO is as a Pelogic temperament, tempering out the "comma" of 135/128 and equating three 'acute [[4_3|4/3]]'s with 5/1 (related to the Armodue system). This means mapping '[[3_2|3/2]]' to 13 degrees of 23, and results in a 7 notes [[2L 5s|Anti-diatonic scale]] of 3 3 4 3 3 3 4 (in steps of 23-EDO), which extends to 9 notes [[7L 2s|Superdiatonic scale]] (3 3 3 1 3 3 3 3 1). One can notate 23-EDO using the Armodue system, but just like notating 17-EDO with familiar diatonic notation, flats will be lower in pitch than enharmonic sharps, because in 23-EDO, the "Armodue 6th" is sharper than it is in 16-EDO, just like the Diatonic 5th in 17-EDO is sharper than in 12-EDO. In other words, 2b is lower in pitch than 1#, just like how in 17-EDO, Eb is lower than D#.
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|| 2 3 2 2 2 3 2 2 3 2 || Gevurah ||
|| 2 3 2 2 2 3 2 2 3 2 || Gevurah ||
|| 3 2 2 2 3 2 2 3 2 2 || Hod ||
|| 3 2 2 2 3 2 2 3 2 2 || Hod ||
|| **3 1 3 1 3 1 3 1 3 1 3** ||   ||
|| **3 1 3 1 3 1 3 1 3 1 3** || Palestine 11 ||
|| 2 &lt;span style="font-size: 12.8000001907349px;"&gt;2 2 2 1 2 2 2 1 2 2 2 1&lt;/span&gt; || &lt;span style="background-color: #ffffff; font-size: 12.8000001907349px;"&gt;Mode Tishrei&lt;/span&gt; ||
|| 2 &lt;span style="font-size: 12.8000001907349px;"&gt;2 2 2 1 2 2 2 1 2 2 2 1&lt;/span&gt; || &lt;span style="background-color: #ffffff; font-size: 12.8000001907349px;"&gt;Mode Tishrei&lt;/span&gt; ||
|| 2 &lt;span style="font-size: 12.8000001907349px;"&gt;2 2 1 2 2 2 1 2 2 2 1 2&lt;/span&gt; || &lt;span style="background-color: #ffffff; font-size: 12.8000001907349px;"&gt;Cheshvan&lt;/span&gt; ||
|| 2 &lt;span style="font-size: 12.8000001907349px;"&gt;2 2 1 2 2 2 1 2 2 2 1 2&lt;/span&gt; || &lt;span style="background-color: #ffffff; font-size: 12.8000001907349px;"&gt;Cheshvan&lt;/span&gt; ||
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|| &lt;span style="font-size: 12.8000001907349px;"&gt;1 2 2 2 2 1 2 2 2 1 2 2 1&lt;/span&gt; || &lt;span style="background-color: #ffffff; font-size: 12.8000001907349px;"&gt;Elul&lt;/span&gt; ||
|| &lt;span style="font-size: 12.8000001907349px;"&gt;1 2 2 2 2 1 2 2 2 1 2 2 1&lt;/span&gt; || &lt;span style="background-color: #ffffff; font-size: 12.8000001907349px;"&gt;Elul&lt;/span&gt; ||
|| 2 2 1 2 2 1 2 2 1 2 2 1 2 1 ||  ||
|| 2 2 1 2 2 1 2 2 1 2 2 1 2 1 ||  ||
|| **2 1 2 2 1 2 2 1 2 2 1 2 2 1** ||   ||
|| **2 1 2 2 1 2 2 1 2 2 1 2 2 1** || Palestine 14 ||
|| 1 1 1 4 1 1 1 1 4 1 1 1 1 4 ||  ||
|| 1 1 1 4 1 1 1 1 4 1 1 1 1 4 ||  ||
|| 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 ||  ||
|| 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 ||  ||
|| **2 1 1 2 1 1 2 1 1 2 1 1 2 1 1 2 1** ||   ||
|| **2 1 1 2 1 1 2 1 1 2 1 1 2 1 1 2 1** || Palestine 17 ||
|| 2 1 1 1 1 2 1 1 1 1 2 1 1 1 1 2 1 1 1 ||  ||
|| 2 1 1 1 1 2 1 1 1 1 2 1 1 1 1 2 1 1 1 ||  ||


=Books=  
=Books=  
[[image:Libro_Icositrifónico.PNG width="242" height="294"]]
[[image:Libro_Icositrifónico.PNG width="302" height="365"]]


=Instruments=  
=Instruments=  


[[image:Icositriphonic_Guitar.PNG width="601" height="305"]]
[[image:Icositriphonic_Guitar.PNG width="601" height="305"]]
//An Icositriphonic 8-string Guitar. 23-ED2 Guitar by Ron Sword.//
//23-EDD 8-string Guitar by Ron Sword.//
[[image:Icositriphonic_Bass.JPG width="640" height="193"]]
[[image:Bajo 23-EDD.jpg width="800" height="250"]]
//An Icositriphonic P-Bass. 23-ED2 Bass by Tútim Dennsuul Wafiil.//
//23-EDD Bass by Osmiorisbendi.//
[[image:Icositriphonic Gitar 1.png width="640" height="216"]]
[[image:Baritarra 23-EDD.jpg width="800" height="258"]]
//An Icositriphonic 'Hendrix' TravelGuitar. 23-ED2 'Gitar' by Tútim Dennsuul Wafiil.//
//23-EDD Baritar by Osmiorisbendi.//
[[image:Icositritar 1.png width="640" height="271"]]
[[image:Icositritar 1.png width="640" height="271"]]
//The 'Icositritar', 23-ED2 5-string Acoustic Guitar by Tútim Dennsuul Wafiil.//
//23-EDD 5-string Acoustic Guitar by Tútim Dennsuul Wafiil (RIP).//


[[image:Teclado Icositrifónico.PNG width="607" height="323"]]
[[image:Teclado Icositrifónico.PNG width="607" height="323"]]
//An illustrative image of a 23-ED2 Keyboard//
//Illustrative 23-EDD Keyboard//


Chris Vaisvil made a do it yourself 23 edo electric guitar out of less than $50 of material. Here he is playing it.
Chris Vaisvil made a do it yourself 23 edo electric guitar out of less than $50 of material. Here he is playing it.
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&lt;hr /&gt;
&lt;hr /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;!-- ws:start:WikiTextHeadingRule:2:&amp;lt;h1&amp;gt; --&gt;&lt;h1 id="toc0"&gt;&lt;a name="x23 tone equal temperament"&gt;&lt;/a&gt;&lt;!-- ws:end:WikiTextHeadingRule:2 --&gt;&lt;span style="background-color: #ffffff; color: #00b7e3; font-family: 'Times New Roman',Times,serif; font-size: 113%;"&gt;23 tone equal temperament&lt;/span&gt;&lt;/h1&gt;
&lt;!-- ws:start:WikiTextHeadingRule:2:&amp;lt;h1&amp;gt; --&gt;&lt;h1 id="toc0"&gt;&lt;a name="x23 tone equal temperament"&gt;&lt;/a&gt;&lt;!-- ws:end:WikiTextHeadingRule:2 --&gt;&lt;span style="background-color: #ffffff; color: #00b7e3; font-family: &amp;#39;Times New Roman&amp;#39;,Times,serif; font-size: 113%;"&gt;23 tone equal temperament&lt;/span&gt;&lt;/h1&gt;
  &lt;br /&gt;
  &lt;br /&gt;
&lt;strong&gt;&lt;em&gt;23-tET&lt;/em&gt;&lt;/strong&gt;, or &lt;strong&gt;&lt;em&gt;23-EDO&lt;/em&gt;&lt;/strong&gt;, is a tempered musical system which divides the &lt;a class="wiki_link" href="/octave"&gt;octave&lt;/a&gt; into 23 equal parts of approximately 52.173913 cents, which is also called with the neologism Icositriphony &lt;em&gt;(Icositrifonía)&lt;/em&gt;. It has good approximations for &lt;a class="wiki_link" href="/5_3"&gt;5/3&lt;/a&gt;, &lt;a class="wiki_link" href="/11_7"&gt;11/7&lt;/a&gt;, 13 and 17, allowing it to represent the 2.5/3.11/7.13.17 &lt;a class="wiki_link" href="/just%20intonation%20subgroup"&gt;just intonation subgroup&lt;/a&gt;. If to this subgroup is added the commas of &lt;a class="wiki_link" href="/17-limit"&gt;17-limit&lt;/a&gt; &lt;a class="wiki_link" href="/46edo"&gt;46edo&lt;/a&gt;, the larger 17-limit &lt;a class="wiki_link" href="/k%2AN%20subgroups"&gt;2*23 subgroup&lt;/a&gt; 2.9.15.21.33.13.17 is obtained. This is the largest subgroup on which 23 has the same tuning and commas as does 17-limit·46edo, and may be regarded as a basis for analyzing the harmony of 23-EDO so far, as approximations to just intervals goes. 23edo is the 9th &lt;a class="wiki_link" href="/prime%20numbers"&gt;prime&lt;/a&gt; edo, following &lt;a class="wiki_link" href="/19edo"&gt;19edo&lt;/a&gt; and coming before &lt;a class="wiki_link" href="/29edo"&gt;29edo&lt;/a&gt;.&lt;br /&gt;
&lt;strong&gt;&lt;em&gt;23-tET&lt;/em&gt;&lt;/strong&gt;, or &lt;strong&gt;&lt;em&gt;23-EDO&lt;/em&gt;&lt;/strong&gt;, is a tempered musical system which divides the &lt;a class="wiki_link" href="/octave"&gt;octave&lt;/a&gt; into 23 equal parts of approximately 52.173913 cents, which is also called with the neologism Icositriphony &lt;em&gt;(Icositrifonía)&lt;/em&gt;. It has good approximations for &lt;a class="wiki_link" href="/5_3"&gt;5/3&lt;/a&gt;, &lt;a class="wiki_link" href="/11_7"&gt;11/7&lt;/a&gt;, 13 and 17, allowing it to represent the 2.5/3.11/7.13.17 &lt;a class="wiki_link" href="/just%20intonation%20subgroup"&gt;just intonation subgroup&lt;/a&gt;. If to this subgroup is added the commas of &lt;a class="wiki_link" href="/17-limit"&gt;17-limit&lt;/a&gt; &lt;a class="wiki_link" href="/46edo"&gt;46edo&lt;/a&gt;, the larger 17-limit &lt;a class="wiki_link" href="/k%2AN%20subgroups"&gt;2*23 subgroup&lt;/a&gt; 2.9.15.21.33.13.17 is obtained. This is the largest subgroup on which 23 has the same tuning and commas as does 17-limit·46edo, and may be regarded as a basis for analyzing the harmony of 23-EDO so far, as approximations to just intervals goes. 23edo is the 9th &lt;a class="wiki_link" href="/prime%20numbers"&gt;prime&lt;/a&gt; edo, following &lt;a class="wiki_link" href="/19edo"&gt;19edo&lt;/a&gt; and coming before &lt;a class="wiki_link" href="/29edo"&gt;29edo&lt;/a&gt;.&lt;br /&gt;
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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;
&lt;br /&gt;
&lt;br /&gt;
23-EDO is also significant in that it is the largest EDO that fails to approximate the 3rd, 5th, 7th, and 11th harmonics within 20 cents, which makes it well-suited for musicians seeking to explore harmonic territory that is unusual even for the average microtonalist. Oddly, despite the fact that it fails to approximate these harmonics, it approximates the intervals between them (5/3, 7/3, 11/3, 7/5, 11/7, and 11/5) very well. The lowest harmonics well-approximated by 23-EDO are 13, 17, 21, and 23. See &lt;a class="wiki_link" href="/Harmony%20of%2023edo"&gt;here&lt;/a&gt; for more details. Also note that some approximations can be improved by &lt;a class="wiki_link" href="/23edo%20and%20octave%20stretching"&gt;octave stretching&lt;/a&gt;.&lt;br /&gt;
23-EDO is also significant in that it is the largest EDO that fails to approximate the 3rd, 5th, 7th, and 11th harmonics within 20 cents, which makes it well-suited for musicians seeking to explore harmonic territory that is unusual even for the average microtonalist. Oddly, despite the fact that it fails to approximate these harmonics, it approximates the intervals between them (5/3, 7/3, 11/3, 7/5, 11/7, and 11/5) very well. The lowest harmonics well-approximated by 23-EDO are 13, 17, 21, and 23. See &lt;a class="wiki_link" href="/Harmony%20of%2023edo"&gt;here&lt;/a&gt; for more details. Also note that some approximations can be improved by &lt;a class="wiki_link" href="/23edo%20and%20octave%20stretching"&gt;octave stretching&lt;/a&gt;.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
As with&lt;a class="wiki_link" href="/9edo"&gt; 9-EDO&lt;/a&gt;, &lt;a class="wiki_link" href="/16edo"&gt;16-EDO&lt;/a&gt;, and &lt;a class="wiki_link" href="/25edo"&gt;25-EDO&lt;/a&gt;, one way to treat 23-EDO is as a Pelogic temperament, tempering out the &amp;quot;comma&amp;quot; of 135/128 and equating three 'acute &lt;a class="wiki_link" href="/4_3"&gt;4/3&lt;/a&gt;'s with 5/1 (related to the Armodue system). This means mapping '&lt;a class="wiki_link" href="/3_2"&gt;3/2&lt;/a&gt;' to 13 degrees of 23, and results in a 7 notes &lt;a class="wiki_link" href="/2L%205s"&gt;Anti-diatonic scale&lt;/a&gt; of 3 3 4 3 3 3 4 (in steps of 23-EDO), which extends to 9 notes &lt;a class="wiki_link" href="/7L%202s"&gt;Superdiatonic scale&lt;/a&gt; (3 3 3 1 3 3 3 3 1). One can notate 23-EDO using the Armodue system, but just like notating 17-EDO with familiar diatonic notation, flats will be lower in pitch than enharmonic sharps, because in 23-EDO, the &amp;quot;Armodue 6th&amp;quot; is sharper than it is in 16-EDO, just like the Diatonic 5th in 17-EDO is sharper than in 12-EDO. In other words, 2b is lower in pitch than 1#, just like how in 17-EDO, Eb is lower than D#.&lt;br /&gt;
As with&lt;a class="wiki_link" href="/9edo"&gt; 9-EDO&lt;/a&gt;, &lt;a class="wiki_link" href="/16edo"&gt;16-EDO&lt;/a&gt;, and &lt;a class="wiki_link" href="/25edo"&gt;25-EDO&lt;/a&gt;, one way to treat 23-EDO is as a Pelogic temperament, tempering out the &amp;quot;comma&amp;quot; of 135/128 and equating three 'acute &lt;a class="wiki_link" href="/4_3"&gt;4/3&lt;/a&gt;'s with 5/1 (related to the Armodue system). This means mapping '&lt;a class="wiki_link" href="/3_2"&gt;3/2&lt;/a&gt;' to 13 degrees of 23, and results in a 7 notes &lt;a class="wiki_link" href="/2L%205s"&gt;Anti-diatonic scale&lt;/a&gt; of 3 3 4 3 3 3 4 (in steps of 23-EDO), which extends to 9 notes &lt;a class="wiki_link" href="/7L%202s"&gt;Superdiatonic scale&lt;/a&gt; (3 3 3 1 3 3 3 3 1). One can notate 23-EDO using the Armodue system, but just like notating 17-EDO with familiar diatonic notation, flats will be lower in pitch than enharmonic sharps, because in 23-EDO, the &amp;quot;Armodue 6th&amp;quot; is sharper than it is in 16-EDO, just like the Diatonic 5th in 17-EDO is sharper than in 12-EDO. In other words, 2b is lower in pitch than 1#, just like how in 17-EDO, Eb is lower than D#.&lt;br /&gt;
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         &lt;td&gt;&lt;strong&gt;3 1 3 1 3 1 3 1 3 1 3&lt;/strong&gt;&lt;br /&gt;
         &lt;td&gt;&lt;strong&gt;3 1 3 1 3 1 3 1 3 1 3&lt;/strong&gt;&lt;br /&gt;
&lt;/td&gt;
&lt;/td&gt;
         &lt;td&gt;&lt;br /&gt;
         &lt;td&gt;Palestine 11&lt;br /&gt;
&lt;/td&gt;
&lt;/td&gt;
     &lt;/tr&gt;
     &lt;/tr&gt;
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         &lt;td&gt;&lt;strong&gt;2 1 2 2 1 2 2 1 2 2 1 2 2 1&lt;/strong&gt;&lt;br /&gt;
         &lt;td&gt;&lt;strong&gt;2 1 2 2 1 2 2 1 2 2 1 2 2 1&lt;/strong&gt;&lt;br /&gt;
&lt;/td&gt;
&lt;/td&gt;
         &lt;td&gt;&lt;br /&gt;
         &lt;td&gt;Palestine 14&lt;br /&gt;
&lt;/td&gt;
&lt;/td&gt;
     &lt;/tr&gt;
     &lt;/tr&gt;
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         &lt;td&gt;&lt;strong&gt;2 1 1 2 1 1 2 1 1 2 1 1 2 1 1 2 1&lt;/strong&gt;&lt;br /&gt;
         &lt;td&gt;&lt;strong&gt;2 1 1 2 1 1 2 1 1 2 1 1 2 1 1 2 1&lt;/strong&gt;&lt;br /&gt;
&lt;/td&gt;
&lt;/td&gt;
         &lt;td&gt;&lt;br /&gt;
         &lt;td&gt;Palestine 17&lt;br /&gt;
&lt;/td&gt;
&lt;/td&gt;
     &lt;/tr&gt;
     &lt;/tr&gt;
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&lt;br /&gt;
&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;23-EDD 8-string Guitar by Ron Sword.&lt;/em&gt;&lt;br /&gt;
&lt;!-- ws:start:WikiTextLocalImageRule:1024:&amp;lt;img src=&amp;quot;/file/view/Icositriphonic_Bass.JPG/206711470/640x193/Icositriphonic_Bass.JPG&amp;quot; alt=&amp;quot;&amp;quot; title=&amp;quot;&amp;quot; style=&amp;quot;height: 193px; width: 640px;&amp;quot; /&amp;gt; --&gt;&lt;img src="/file/view/Icositriphonic_Bass.JPG/206711470/640x193/Icositriphonic_Bass.JPG" alt="Icositriphonic_Bass.JPG" title="Icositriphonic_Bass.JPG" style="height: 193px; width: 640px;" /&gt;&lt;!-- ws:end:WikiTextLocalImageRule:1024 --&gt;&lt;br /&gt;
&lt;!-- ws:start:WikiTextLocalImageRule:1024:&amp;lt;img src=&amp;quot;/file/view/Bajo%2023-EDD.jpg/630491519/800x250/Bajo%2023-EDD.jpg&amp;quot; alt=&amp;quot;&amp;quot; title=&amp;quot;&amp;quot; style=&amp;quot;height: 250px; width: 800px;&amp;quot; /&amp;gt; --&gt;&lt;img src="/file/view/Bajo%2023-EDD.jpg/630491519/800x250/Bajo%2023-EDD.jpg" alt="Bajo 23-EDD.jpg" title="Bajo 23-EDD.jpg" style="height: 250px; width: 800px;" /&gt;&lt;!-- ws:end:WikiTextLocalImageRule:1024 --&gt;&lt;br /&gt;
&lt;em&gt;An Icositriphonic P-Bass. 23-ED2 Bass by Tútim Dennsuul Wafiil.&lt;/em&gt;&lt;br /&gt;
&lt;em&gt;23-EDD Bass by Osmiorisbendi.&lt;/em&gt;&lt;br /&gt;
&lt;!-- ws:start:WikiTextLocalImageRule:1025:&amp;lt;img src=&amp;quot;/file/view/Icositriphonic%20Gitar%201.png/358559595/640x216/Icositriphonic%20Gitar%201.png&amp;quot; alt=&amp;quot;&amp;quot; title=&amp;quot;&amp;quot; style=&amp;quot;height: 216px; width: 640px;&amp;quot; /&amp;gt; --&gt;&lt;img src="/file/view/Icositriphonic%20Gitar%201.png/358559595/640x216/Icositriphonic%20Gitar%201.png" alt="Icositriphonic Gitar 1.png" title="Icositriphonic Gitar 1.png" style="height: 216px; width: 640px;" /&gt;&lt;!-- ws:end:WikiTextLocalImageRule:1025 --&gt;&lt;br /&gt;
&lt;!-- ws:start:WikiTextLocalImageRule:1025:&amp;lt;img src=&amp;quot;/file/view/Baritarra%2023-EDD.jpg/630491535/800x258/Baritarra%2023-EDD.jpg&amp;quot; alt=&amp;quot;&amp;quot; title=&amp;quot;&amp;quot; style=&amp;quot;height: 258px; width: 800px;&amp;quot; /&amp;gt; --&gt;&lt;img src="/file/view/Baritarra%2023-EDD.jpg/630491535/800x258/Baritarra%2023-EDD.jpg" alt="Baritarra 23-EDD.jpg" title="Baritarra 23-EDD.jpg" style="height: 258px; width: 800px;" /&gt;&lt;!-- ws:end:WikiTextLocalImageRule:1025 --&gt;&lt;br /&gt;
&lt;em&gt;An Icositriphonic 'Hendrix' TravelGuitar. 23-ED2 'Gitar' by Tútim Dennsuul Wafiil.&lt;/em&gt;&lt;br /&gt;
&lt;em&gt;23-EDD Baritar by Osmiorisbendi.&lt;/em&gt;&lt;br /&gt;
&lt;!-- ws:start:WikiTextLocalImageRule:1026:&amp;lt;img src=&amp;quot;/file/view/Icositritar%201.png/358559793/640x271/Icositritar%201.png&amp;quot; alt=&amp;quot;&amp;quot; title=&amp;quot;&amp;quot; style=&amp;quot;height: 271px; width: 640px;&amp;quot; /&amp;gt; --&gt;&lt;img src="/file/view/Icositritar%201.png/358559793/640x271/Icositritar%201.png" alt="Icositritar 1.png" title="Icositritar 1.png" style="height: 271px; width: 640px;" /&gt;&lt;!-- ws:end:WikiTextLocalImageRule:1026 --&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;23-EDD 5-string Acoustic Guitar by Tútim Dennsuul Wafiil (RIP).&lt;/em&gt;&lt;br /&gt;
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&lt;!-- ws:start:WikiTextLocalImageRule:1027:&amp;lt;img src=&amp;quot;/file/view/Teclado%20Icositrif%C3%B3nico.PNG/390051980/607x323/Teclado%20Icositrif%C3%B3nico.PNG&amp;quot; alt=&amp;quot;&amp;quot; title=&amp;quot;&amp;quot; style=&amp;quot;height: 323px; width: 607px;&amp;quot; /&amp;gt; --&gt;&lt;img src="/file/view/Teclado%20Icositrif%C3%B3nico.PNG/390051980/607x323/Teclado%20Icositrif%C3%B3nico.PNG" alt="Teclado Icositrifónico.PNG" title="Teclado Icositrifónico.PNG" style="height: 323px; width: 607px;" /&gt;&lt;!-- ws:end:WikiTextLocalImageRule:1027 --&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;Illustrative 23-EDD 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;