The yo scale, which does not contain minor notes, according to a traditional theory is a pentatonic scale used in much Japanese music including gagaku and shomyo. The yo scale is used specifically in folk songs and early popular songs and is contrasted with the in scale which does contain minor notes. The in scale is described as 'dark' while the yo scale is described as 'bright' sounding.
It is defined by ascending intervals of two, three, two, two, and three semitones. An example yo scale, expressed in western pitch names, is: D - E - G - A - B. This is illustrated below.
The Ry?ky? scale appears to be derived from the yo scale with pitches raised.
More recent theory emphasizes that it is more useful in interpreting Japanese melody to view scales on the basis of "nuclear tones" located a fourth apart and containing notes between them, as in the min'y? scale used in folk music, and whose pitches are equivalent to the yo scale:
Video Yo scale
Sources
Maps Yo scale
Further reading
- Hewitt, Michael. Musical Scales of the World. The Note Tree. 2013. ISBN 978-0957547001.
Source of the article : Wikipedia
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