Iwato
Encyclopedia
The iwato scale is a music
Music
Music is an art form whose medium is sound and silence. Its common elements are pitch , rhythm , dynamics, and the sonic qualities of timbre and texture...

al scale that is similar to the Locrian mode
Locrian mode
The Locrian mode is either a musical mode or simply a diatonic scale. Although the term occurs in several classical authors on music theory, including Cleonides and Athenaeus , there is no warrant for the modern usage of Locrian as equivalent to Glarean's Hyperaeolian mode, in either classical,...

 (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
Pentatonic scale
A pentatonic scale is a musical scale with five notes per octave in contrast to a heptatonic scale such as the major scale and minor scale...

. It spelling is therefore 1 b2 4 b5 b7. It is used in traditional Japanese music
Music of Japan
The music of Japan includes a wide array of performers in distinct styles both traditional and modern. The word for music in Japanese is 音楽 , combining the kanji 音 with the kanji 楽...

 for the koto
Koto (musical instrument)
The koto is a traditional Japanese stringed musical instrument, similar to the Chinese guzheng, the Mongolian yatga, the Korean gayageum and the Vietnamese đàn tranh. The koto is the national instrument of Japan. Koto are about length, and made from kiri wood...

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