Comma: Difference between revisions

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A '''comma''' is a small [[interval]] that occurs ~~in [[just intonation]]~~ between two intervals which are close in [[pitch]]. Commas are always greater than [[1/1]] (0 [[cent]]s) and not a power such as a square or cube of any other interval, and generally in a low [[prime limit]].

In just intonation, a '''comma''' is a small [[interval]] that occurs between two intervals which are close in [[pitch]]. Commas are always greater than [[1/1]] (0 [[cent]]s) and not a power such as a square or cube of any other just interval, and generally in a low [[prime limit]].

Some commas are considered [[dissonant]] due to their small but noticeable [[interval size measure|size]] which induces an audible [[beat]]. In addition, certain chord progressions are [[comma pump]]s, which may cause the [[tonal center]] of a piece to drift up or down in pitch over time. These effects can be treated either as features or as problems to be solved. Examples of approaches that try to solve these problems include [[adaptive just intonation]] and [[temperament]].

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 {{Wikipedia|Comma (music)}}
-A '''comma''' is a small [[interval]] that occurs in [[just intonation]] between two intervals which are close in [[pitch]]. Commas are always greater than [[1/1]] (0 [[cent]]s) and not a power such as a square or cube of any other interval, and generally in a low [[prime limit]].
+In just intonation, a '''comma''' is a small [[interval]] that occurs between two intervals which are close in [[pitch]]. Commas are always greater than [[1/1]] (0 [[cent]]s) and not a power such as a square or cube of any other just interval, and generally in a low [[prime limit]].
 Some commas are considered [[dissonant]] due to their small but noticeable [[interval size measure|size]] which induces an audible [[beat]]. In addition, certain chord progressions are [[comma pump]]s, which may cause the [[tonal center]] of a piece to drift up or down in pitch over time. These effects can be treated either as features or as problems to be solved. Examples of approaches that try to solve these problems include [[adaptive just intonation]] and [[temperament]].