2L 3s: Difference between revisions

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<h2>IMPORTED REVISION FROM WIKISPACES</h2>
{{Interwiki
This is an imported revision from Wikispaces. The revision metadata is included below for reference:<br>
|en=2L 3s
: This revision was by author [[User:keenanpepper|keenanpepper]] and made on <tt>2011-04-05 19:22:12 UTC</tt>.<br>
|es=
: The original revision id was <tt>217505066</tt>.<br>
|de=
: The revision comment was: <tt></tt><br>
|ja=2L 3s
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>
{{Infobox MOS
<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">"Classic" pentatonic. Perhaps the most common scale in the world.
| Name = pentic
| Periods = 1
| nLargeSteps = 2
| nSmallSteps = 3
| Equalized = 2
| Collapsed = 1
| Pattern = LsLss
}}


||||||||||~ Generator ||  ||~ Cents ||~ Scale steps ||~ Comments ||
: ''For the 3/2-equivalent 2L&nbsp;3s pattern, see [[2L&nbsp;3s (3/2-equivalent)]].''
|| 2\5 ||  ||  ||  ||  ||  || 480 || 1 1 1 1 1 ||=  ||
||  ||  ||  ||  ||  || 11\27 || 488.89 || 6 5 5 6 5 ||= Slendro (insofar as it resembles a MOS)
would be in this region ||
||  ||  ||  ||  || 9\22 ||  || 490.91 || 5 4 4 5 4 ||  ||
||  ||  ||  || 7\17 ||  ||  || 494.12 || 4 3 3 4 3 ||  ||
||  ||  ||  ||  || 12\29 ||  || 496.55 || 7 5 5 7 5 ||  ||
||  ||  ||  ||  ||  || 17\41 || 497.56 || 10 7 7 10 7 ||= Pythagorean pentatonic is around here ||
||  ||  || 5\12 ||  ||  ||  || 500 || 3 2 2 3 2 ||= Familiar 12-equal pentatonic ||
||  ||  ||  ||  || 13\31 ||  || 503.23 || 8 5 5 8 5 ||= Optimal meantone pentatonic
is around here ||
||  ||  ||  || 8\19 ||  ||  || 505.26 || 5 3 3 5 3 ||  ||
||  || 3\7 ||  ||  ||  ||  || 514.29 || 2 1 1 2 1 ||  ||
||  ||  ||  || 7\16 ||  ||  || 525 || 5 2 2 5 2 ||= Pelog (insofar as it resembles a MOS)
would be in this region ||
||  ||  || 4\9 ||  ||  ||  || 533.33 || 3 1 1 3 1 ||  ||
||  ||  ||  || 5\11 ||  ||  || 545.45 || 4 1 1 4 1 ||  ||
|| 1\2 ||  ||  ||  ||  ||  || 600 || 1 0 0 1 0 ||  ||


From a 3-limit perspective, just make a chain of four 4/3's and octave-reduce, and you end up with pentatonic.
{{MOS intro}} This scale is the "classic" pentatonic scale, which is perhaps the most common scale in the world.


From a 5-limit perspective, the most interesting temperaments with this kind of pentatonic scale are [[meantone]] and [[mavila]].
The [[meantone]] pentatonic scale, in which the generator approximates 4/3 but other intervals in the scale approximate 6/5 and 5/4, has by far the lowest [[harmonic entropy]] of all 5-note MOS scales, which explains the worldwide popularity of these scales and their very long history of use. It is also strictly [[Rothenberg propriety|proper]].


There is also the interesting 2.3.7 temperament that tempers out 64/63 ("no-fives [[dominant]]").</pre></div>
== Names ==
<h4>Original HTML content:</h4>
The [[TAMNAMS]] system suggests the name '''pentic''', derived from an [[Wiktionary: pent #Etymology 2|informal clipping of "pentatonic"]] that is sometimes used to refer to this scale.
<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;2L 3s&lt;/title&gt;&lt;/head&gt;&lt;body&gt;&amp;quot;Classic&amp;quot; pentatonic. Perhaps the most common scale in the world.&lt;br /&gt;
&lt;br /&gt;


== Scale properties ==
{{TAMNAMS use}}


&lt;table class="wiki_table"&gt;
=== Intervals ===
    &lt;tr&gt;
{{MOS intervals}}
        &lt;th colspan="5"&gt;Generator&lt;br /&gt;
&lt;/th&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;th&gt;Cents&lt;br /&gt;
&lt;/th&gt;
        &lt;th&gt;Scale steps&lt;br /&gt;
&lt;/th&gt;
        &lt;th&gt;Comments&lt;br /&gt;
&lt;/th&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td&gt;2\5&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;480&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;1 1 1 1 1&lt;br /&gt;
&lt;/td&gt;
        &lt;td style="text-align: center;"&gt;&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;11\27&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;488.89&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;6 5 5 6 5&lt;br /&gt;
&lt;/td&gt;
        &lt;td style="text-align: center;"&gt;Slendro (insofar as it resembles a MOS)&lt;br /&gt;
would be in this region&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;9\22&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;490.91&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;5 4 4 5 4&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;7\17&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;494.12&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;4 3 3 4 3&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;12\29&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;496.55&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;7 5 5 7 5&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;17\41&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;497.56&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;10 7 7 10 7&lt;br /&gt;
&lt;/td&gt;
        &lt;td style="text-align: center;"&gt;Pythagorean pentatonic is around here&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;5\12&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;500&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;3 2 2 3 2&lt;br /&gt;
&lt;/td&gt;
        &lt;td style="text-align: center;"&gt;Familiar 12-equal pentatonic&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;13\31&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;503.23&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;8 5 5 8 5&lt;br /&gt;
&lt;/td&gt;
        &lt;td style="text-align: center;"&gt;Optimal meantone pentatonic&lt;br /&gt;
is around here&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;8\19&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;505.26&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;5 3 3 5 3&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;3\7&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;514.29&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;2 1 1 2 1&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;7\16&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;525&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;5 2 2 5 2&lt;br /&gt;
&lt;/td&gt;
        &lt;td style="text-align: center;"&gt;Pelog (insofar as it resembles a MOS)&lt;br /&gt;
would be in this region&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;4\9&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;533.33&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;3 1 1 3 1&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;5\11&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;545.45&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;4 1 1 4 1&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
        &lt;td&gt;1\2&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;600&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;1 0 0 1 0&lt;br /&gt;
&lt;/td&gt;
        &lt;td&gt;&lt;br /&gt;
&lt;/td&gt;
    &lt;/tr&gt;
&lt;/table&gt;


&lt;br /&gt;
=== Generator chain ===
From a 3-limit perspective, just make a chain of four 4/3's and octave-reduce, and you end up with pentatonic.&lt;br /&gt;
{{MOS genchain}}
&lt;br /&gt;
 
From a 5-limit perspective, the most interesting temperaments with this kind of pentatonic scale are &lt;a class="wiki_link" href="/meantone"&gt;meantone&lt;/a&gt; and &lt;a class="wiki_link" href="/mavila"&gt;mavila&lt;/a&gt;.&lt;br /&gt;
=== Modes ===
&lt;br /&gt;
{{MOS mode degrees}}
There is also the interesting 2.3.7 temperament that tempers out 64/63 (&amp;quot;no-fives &lt;a class="wiki_link" href="/dominant"&gt;dominant&lt;/a&gt;&amp;quot;).&lt;/body&gt;&lt;/html&gt;</pre></div>
 
=== Mode names ===
There are three sets of mode names: descriptive, modal (5 of the 7 heptatonic modes), and traditional Chinese.
{{MOS modes
| Table Headers=
Descriptive $
Modal $
Chinese $
| Table Entries=
Fifthless $
Phrygian $
Jué (角) $
Minor $
Aeolian $
Yǔ (羽) $
Thirdless Minor* $
Dorian $
Shāng (商) $
Thirdless Major* $
Mixolydian $
Zhǐ (徵) $
Major $
Ionian $
Gōng (宫) $
}}
<nowiki />* Thirdless Minor/Major is also known as Suspended Minor/Major
 
== Scales ==
=== Scale list ===
* [[Archy5]] – 49edo tuning
* [[Edson5]] – 29edo tuning
* [[Pythagorean5]] – Pythagorean tuning
* [[Meantone5]] – 31edo tuning
 
=== Scale tree ===
{{MOS tuning spectrum
| Depth = 6
| 6/5 = Slendro (insofar as it resembles a MOS) would<br />be in this region
| 9/7 = No-5s [[superpyth]]/dominant is around here
| 13/9 = Pythagorean pentatonic is around here
| 3/2 = Familiar [[12edo|12-equal]] pentatonic
| 8/5 = Optimal meantone pentatonic is around here
| 5/2 = Five-note subset of [[pelog]] (insofar as it<br />resembles a MOS) would be in this region
}}
 
From a [[3-limit]] perspective, just make a chain of four 4/3's and octave-reduce, and you end up with pentatonic.
 
From a [[5-limit]] perspective, the most interesting temperaments with this kind of pentatonic scale are [[meantone]] and [[mavila]].
 
There is also the 2.3.7 temperament that tempers out [[64/63]] ([[archy]], "no-fives [[Meantone family#Dominant|dominant]]").
 
[[Category:Pentic]]
[[Category:5-tone scales]]