The ''iwato'' scale is a

music Music is generally defined as the art of arranging sound to create some combination of form, harmony, melody, rhythm or otherwise expressive content. Exact definitions of music vary considerably around the world, though it is an aspe ...

al scale that is similar to the

Locrian mode The Locrian mode is the seventh mode of the major scale. It is either a musical mode or simply a diatonic scale. On the piano, it is the scale that starts with B and only uses the white keys from there. Its ascending form consists of the key note, ...

(spelled 1 b2 b3 4 b5 b6 b7), seventh mode of the major scale, different in that it has no 3rd or 6th notes, thus making it

pentatonic A pentatonic scale is a musical scale (music), scale with five Musical note, notes per octave, in contrast to the heptatonic scale, which has seven notes per octave (such as the major scale and minor scale). Pentatonic scales were developed ...

. Its spelling is therefore 1 b2 4 b5 b7. It is used in traditional Japanese music for the ''

koto Koto may refer to: * Koto (band), an Italian synth pop group * Koto (instrument), a Japanese musical instrument * Koto (kana), a ligature of two Japanese katakana * Koto (traditional clothing), a traditional dress made by Afro-Surinamese women * K ...

''. It is a mode of the Hirajōshi scale.

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Further reading