Quartertone: Difference between revisions

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== Properties ==

~~Quartertones have the highest [[harmonic entropy]] of any interval region.~~ In harmony, ~~they~~ tend to be perceived as [[dissonant]]. In melody, they tend to produce a "bending" or "melting" effect. Due to this effect, they are often used as grace notes to smoothen and add color to the transition between more distant intervals.

In harmony, quarter tones tend to be perceived as [[dissonant]]. As such, the [[harmonic entropy]] model is generally tuned to portray them as having the highest harmonic entropy of any interval. In melody, they tend to produce a "bending" or "melting" effect. Due to this effect, they are often used as grace notes to smoothen and add color to the transition between more distant intervals.

In the classical and folk traditions of [[Arabic, Turkish, Persian|Arabia]], [[Indian|North India]], [[Indian|South India]], [[Arabic, Turkish, Persian|Iran]] and [[Arabic, Turkish, Persian|Turkey]], quartertones are not used as melodic intervals in their own right, but they are used as critical building blocks of larger melodic units. They are particularly used to build [[neutral]] intervals such as neutral seconds and neutral thirds (it should be noted that each of these traditions has multiple flavors of major, minor and neutral seconds, thirds, etc.)

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 == Properties ==
-Quartertones have the highest [[harmonic entropy]] of any interval region. In harmony, they tend to be perceived as [[dissonant]]. In melody, they tend to produce a "bending" or "melting" effect. Due to this effect, they are often used as grace notes to smoothen and add color to the transition between more distant intervals.
+In harmony, quarter tones tend to be perceived as [[dissonant]]. As such, the [[harmonic entropy]] model is generally tuned to portray them as having the highest harmonic entropy of any interval. In melody, they tend to produce a "bending" or "melting" effect. Due to this effect, they are often used as grace notes to smoothen and add color to the transition between more distant intervals.
 In the classical and folk traditions of [[Arabic, Turkish, Persian|Arabia]], [[Indian|North India]], [[Indian|South India]], [[Arabic, Turkish, Persian|Iran]] and [[Arabic, Turkish, Persian|Turkey]], quartertones are not used as melodic intervals in their own right, but they are used as critical building blocks of larger melodic units. They are particularly used to build [[neutral]] intervals such as neutral seconds and neutral thirds (it should be noted that each of these traditions has multiple flavors of major, minor and neutral seconds, thirds, etc.)