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| <h2>IMPORTED REVISION FROM WIKISPACES</h2>
| | {{Infobox Interval |
| This is an imported revision from Wikispaces. The revision metadata is included below for reference:<br>
| | | Name = septimal acute major seventh, aberschismic major seventh |
| : This revision was by author [[User:spt3125|spt3125]] and made on <tt>2014-06-10 21:40:06 UTC</tt>.<br>
| | | Color name = ry7, ruyo 7th |
| : The original revision id was <tt>513546128</tt>.<br>
| | | Sound = jid_40_21_pluck_adu_dr220.mp3 |
| : 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>
| | '''40/21''', conventionally known as the '''septimal acute major seventh''', is an interval in [[7-limit]] [[just intonation]] measuring about 1115.5 [[cent]]s. Despite being approximated by the diminished octave in systems like septimal [[meantone]], and even being called the ''septimal diminished octave'' by some musicians due to analogy with [[21/20]] being called the "septimal chromatic semitone", 40/21 functions as a major seventh, as is supported by [[Sagittal notation]], [[Helmholtz–Ellis notation]] and [[Functional Just System]], viewed as the [[243/128|Pythagorean major seventh (243/128)]] altered by an [[aberschisma]]. This gives rise to the more precise name '''aberschismic major seventh'''. |
| <h4>Original Wikitext content:</h4>
| | |
| <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">**40/21**
| | == Approximation == |
| |3 -1 1 -1>
| | {{Interval edo approximation|40/21}} |
| 1115.5328 cents
| | |
| [[media type="file" key="jid_40_21_pluck_adu_dr220.mp3"]] [[file:xenharmonic/jid_40_21_pluck_adu_dr220.mp3|sound sample]] | | == See also == |
| </pre></div>
| | * [[21/20]] – its [[octave complement]] |
| <h4>Original HTML content:</h4>
| | * [[Gallery of just intervals]] |
| <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>40_21</title></head><body><strong>40/21</strong><br />
| | |
| |3 -1 1 -1&gt;<br />
| | [[Category:Seventh]] |
| 1115.5328 cents<br />
| | [[Category:Major seventh]] |
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