MOS scale
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=MOS scales= An important class of scales are MOS scales (MOS "Moment of symmetry"). An MOS scale is a scale whose basic steps come in 2 different sizes. This is an interesting property because two basic scales of classical music theory have it: the diatonic scale (whole tone and semitone) and the pentatonic scale (minor third and whole tone). For more information of the background and why it is called "moment of symmetry", see [[http://tonalsoft.com/enc/m/mos.aspx|Joe Monzo's encyclopedia of microtonal music theory]] ==Classification of MOS== An obvious first rough classification of MOS scales is given by the number of elements of the scale - the number of large intervals (L) and the number of small intervals (s). E.g., the diatonic scale in 12-tone equal temperament could be described as 5L 2s (5 large steps and 2 small steps). Since numbers tend to be dry, Graham Breed has proposed a [[MOSNamingScheme|naming scheme for MOS scales]].
Original HTML content:
<html><head><title>MOSScales</title></head><body><!-- ws:start:WikiTextHeadingRule:0:<h1> --><h1 id="toc0"><a name="MOS scales"></a><!-- ws:end:WikiTextHeadingRule:0 -->MOS scales</h1> <br /> An important class of scales are MOS scales (MOS "Moment of symmetry").<br /> An MOS scale is a scale whose basic steps come in 2 different sizes. This is an interesting property because two basic scales of classical music theory have it: the diatonic scale (whole tone and semitone) and the pentatonic scale (minor third and whole tone).<br /> For more information of the background and why it is called "moment of symmetry", see<br /> <a class="wiki_link_ext" href="http://tonalsoft.com/enc/m/mos.aspx" rel="nofollow">Joe Monzo's encyclopedia of microtonal music theory</a><br /> <br /> <!-- ws:start:WikiTextHeadingRule:2:<h2> --><h2 id="toc1"><a name="MOS scales-Classification of MOS"></a><!-- ws:end:WikiTextHeadingRule:2 -->Classification of MOS</h2> An obvious first rough classification of MOS scales is given by the number of elements of the scale - the number of large intervals (L) and the number of small intervals (s). E.g., the diatonic scale in 12-tone equal temperament could be described as 5L 2s (5 large steps and 2 small steps).<br /> Since numbers tend to be dry, Graham Breed has proposed a <a class="wiki_link" href="/MOSNamingScheme">naming scheme for MOS scales</a>.</body></html>