Neutral third scales: Difference between revisions

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<h2>IMPORTED REVISION FROM WIKISPACES</h2>

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: This revision was by author [[User:~~keenanpepper~~|~~keenanpepper~~]] and made on <tt>2011-08-~~17 16~~:24:41 UTC</tt>.<br>

: This revision was by author [[User:genewardsmith|genewardsmith]] and made on <tt>2011-08-18 13:57:29 UTC</tt>.<br>

: The original revision id was <tt>~~246550727~~</tt>.<br>

: The original revision id was <tt>246753671</tt>.<br>

: The revision comment was: <tt></tt><br>

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<div style="width:100%; max-height:400pt; overflow:auto; background-color:#f8f9fa; border: 1px solid #eaecf0; padding:0em"><pre style="margin:0px;border:none;background:none;word-wrap:break-word;white-space: pre-wrap ! important" class="old-revision-html">Mohajira is characterized by the division of the 3/2 "perfect fifth" into two equal "neutral thirds", which are taken to represent either 11/9 or 27/22. This means the comma 243/242 is tempered out.

If the fifth harmonic is used at all, it makes sense to map it to 8 generators by tempering out 81/80, making it [[Meantone family#Mohajira|a meantone system]], sometimes called "mohaha". Alternatively, 64/63 could be tempered out, leading to a 2.3.7.11 version of [[Archytas clan#Beatles|beatles]]. But neither of these adjustments to the farther-out intervals affects its basic nature as a "neutral thirds" scale.

If the fifth harmonic is used at all, it makes sense to map it to 8 generators by tempering out 81/80, making it [[Meantone family#Mohajira|a meantone system]], sometimes called [[Chromatic pairs#Mohaha|"mohaha"]]. Alternatively, 64/63 could be tempered out, leading to a 2.3.7.11 version of [[Archytas clan#Beatles|beatles]]. But neither of these adjustments to the farther-out intervals affects its basic nature as a "neutral thirds" scale.

==Interval chains==

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<div style="width:100%; max-height:400pt; overflow:auto; background-color:#f8f9fa; border: 1px solid #eaecf0; padding:0em"><pre style="margin:0px;border:none;background:none;word-wrap:break-word;width:200%;white-space: pre-wrap ! important" class="old-revision-html"><html><head><title>Neutral third scales</title></head><body>Mohajira is characterized by the division of the 3/2 &quot;perfect fifth&quot; into two equal &quot;neutral thirds&quot;, which are taken to represent either 11/9 or 27/22. This means the comma 243/242 is tempered out.<br />

<br />

If the fifth harmonic is used at all, it makes sense to map it to 8 generators by tempering out 81/80, making it <a class="wiki_link" href="/Meantone%20family#Mohajira">a meantone system</a>, sometimes called &quot;mohaha&quot;. Alternatively, 64/63 could be tempered out, leading to a 2.3.7.11 version of <a class="wiki_link" href="/Archytas%20clan#Beatles">beatles</a>. But neither of these adjustments to the farther-out intervals affects its basic nature as a &quot;neutral thirds&quot; scale.<br />

If the fifth harmonic is used at all, it makes sense to map it to 8 generators by tempering out 81/80, making it <a class="wiki_link" href="/Meantone%20family#Mohajira">a meantone system</a>, sometimes called <a class="wiki_link" href="/Chromatic%20pairs#Mohaha">&quot;mohaha&quot;</a>. Alternatively, 64/63 could be tempered out, leading to a 2.3.7.11 version of <a class="wiki_link" href="/Archytas%20clan#Beatles">beatles</a>. But neither of these adjustments to the farther-out intervals affects its basic nature as a &quot;neutral thirds&quot; scale.<br />

<br />

<h2 id="toc0"><a name="x-Interval chains"></a>Interval chains</h2>

@@ Line 1: / Line 1: @@
 <h2>IMPORTED REVISION FROM WIKISPACES</h2>
 This is an imported revision from Wikispaces. The revision metadata is included below for reference:<br>
-: This revision was by author [[User:keenanpepper|keenanpepper]] and made on <tt>2011-08-17 16:24:41 UTC</tt>.<br>
+: This revision was by author [[User:genewardsmith|genewardsmith]] and made on <tt>2011-08-18 13:57:29 UTC</tt>.<br>
-: The original revision id was <tt>246550727</tt>.<br>
+: The original revision id was <tt>246753671</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>
@@ Line 8: / Line 8: @@
 <div style="width:100%; max-height:400pt; overflow:auto; background-color:#f8f9fa; border: 1px solid #eaecf0; padding:0em"><pre style="margin:0px;border:none;background:none;word-wrap:break-word;white-space: pre-wrap ! important" class="old-revision-html">Mohajira is characterized by the division of the 3/2 "perfect fifth" into two equal "neutral thirds", which are taken to represent either 11/9 or 27/22. This means the comma 243/242 is tempered out.
-If the fifth harmonic is used at all, it makes sense to map it to 8 generators by tempering out 81/80, making it [[Meantone family#Mohajira|a meantone system]], sometimes called "mohaha". Alternatively, 64/63 could be tempered out, leading to a 2.3.7.11 version of [[Archytas clan#Beatles|beatles]]. But neither of these adjustments to the farther-out intervals affects its basic nature as a "neutral thirds" scale.
+If the fifth harmonic is used at all, it makes sense to map it to 8 generators by tempering out 81/80, making it [[Meantone family#Mohajira|a meantone system]], sometimes called [[Chromatic pairs#Mohaha|"mohaha"]]. Alternatively, 64/63 could be tempered out, leading to a 2.3.7.11 version of [[Archytas clan#Beatles|beatles]]. But neither of these adjustments to the farther-out intervals affects its basic nature as a "neutral thirds" scale.
 ==Interval chains==
@@ Line 23: / Line 23: @@
 <div style="width:100%; max-height:400pt; overflow:auto; background-color:#f8f9fa; border: 1px solid #eaecf0; padding:0em"><pre style="margin:0px;border:none;background:none;word-wrap:break-word;width:200%;white-space: pre-wrap ! important" class="old-revision-html">&lt;html&gt;&lt;head&gt;&lt;title&gt;Neutral third scales&lt;/title&gt;&lt;/head&gt;&lt;body&gt;Mohajira is characterized by the division of the 3/2 &amp;quot;perfect fifth&amp;quot; into two equal &amp;quot;neutral thirds&amp;quot;, which are taken to represent either 11/9 or 27/22. This means the comma 243/242 is tempered out.&lt;br /&gt;
 &lt;br /&gt;
-If the fifth harmonic is used at all, it makes sense to map it to 8 generators by tempering out 81/80, making it &lt;a class="wiki_link" href="/Meantone%20family#Mohajira"&gt;a meantone system&lt;/a&gt;, sometimes called &amp;quot;mohaha&amp;quot;. Alternatively, 64/63 could be tempered out, leading to a 2.3.7.11 version of &lt;a class="wiki_link" href="/Archytas%20clan#Beatles"&gt;beatles&lt;/a&gt;. But neither of these adjustments to the farther-out intervals affects its basic nature as a &amp;quot;neutral thirds&amp;quot; scale.&lt;br /&gt;
+If the fifth harmonic is used at all, it makes sense to map it to 8 generators by tempering out 81/80, making it &lt;a class="wiki_link" href="/Meantone%20family#Mohajira"&gt;a meantone system&lt;/a&gt;, sometimes called &lt;a class="wiki_link" href="/Chromatic%20pairs#Mohaha"&gt;&amp;quot;mohaha&amp;quot;&lt;/a&gt;. Alternatively, 64/63 could be tempered out, leading to a 2.3.7.11 version of &lt;a class="wiki_link" href="/Archytas%20clan#Beatles"&gt;beatles&lt;/a&gt;. But neither of these adjustments to the farther-out intervals affects its basic nature as a &amp;quot;neutral thirds&amp;quot; scale.&lt;br /&gt;
 &lt;br /&gt;
 &lt;!-- ws:start:WikiTextHeadingRule:0:&amp;lt;h2&amp;gt; --&gt;&lt;h2 id="toc0"&gt;&lt;a name="x-Interval chains"&gt;&lt;/a&gt;&lt;!-- ws:end:WikiTextHeadingRule:0 --&gt;Interval chains&lt;/h2&gt;