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| | The Classical Diatonic scale Dictonary Page on Classic Cat |
 | | In music theory, a diatonic scale (from the Greek διατονικος, meaning "[progressing] through tones", also known as the heptatonia prima and set form 7-35) is a seven-note musical scale comprising five whole-tone and two half-tone steps, in which the half tones are maximally separated. |
 | | The scales are the diatonic scale, the ascending minor scale, the harmonic minor scale, the harmonic major scale, and the locrian major scale; of these, all but the last are well-known and in fact constitute the backbone of diatonic practice when taken together. |
 | | The scale, in the vocabulary of Erv Wilson, who seems to have been the first to consider the notion, is what is sometimes called a MOS scale. |
| www.classiccat.net /dictionary/diatonic_scale.htm (1310 words) |
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