Definition of Neutral sixth
A neutral sixth is a musical interval wider than a minor sixth but narrower than a major sixth. Three distinct intervals may be termed neutral sixths:
The undecimal neutral sixth has a ratio of 18:11 between the frequencies of the two tones, or about 852.59 cents.
A tridecimal neutral sixth has a ratio of 13:8 between the frequencies of the two tones, or about 840.53 cents. This is the smallest neutral sixth, and occurs infrequently in music, as little music utilizes the 13th harmonic.
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Frequently asked questions
What is Neutral sixth?
A neutral sixth is a musical interval wider than a minor sixth but narrower than a major sixth. Three distinct intervals may be termed neutral sixths:
Sources & credits
- Wikipedia: Neutral sixth – CC BY-SA 4.0
- Image by Hyacinth at English Wikipedia – Public domain