Dyad: Difference between revisions
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A '''dyad''' (less commonly, '''diad''') is a [[chord]] of two [[pitch class]]es. In its simplest voicing, a dyad contains two notes, but it may also contain [[octave]] doublings (assuming [[octave equivalence]]). For example, a [[Wikipedia:Power chord|power chord]] is a dyad because it contains only two pitch classes a [[perfect fifth]] apart, even though it usually contains at least three notes. | A '''dyad''' (less commonly, '''diad''') is a [[chord]] of two [[pitch class]]es. In its simplest voicing, a dyad contains two notes, but it may also contain [[octave]] doublings (assuming [[octave equivalence]]). For example, a [[Wikipedia:Power chord|power chord]] is a dyad because it contains only two pitch classes a [[perfect fifth]] apart, even though it usually contains at least three notes. | ||
Dyads can be classified by the [[interval]] between the notes, and as such the words ''dyad'' and ''interval'' are sometimes used interchangeably. | Dyads can be classified by the [[interval]] between the notes, and as such the words ''dyad'' and ''interval'' are sometimes used interchangeably, especially to distinguish from the mathematical sense of ''interval'' (connected subset of the real line). | ||
== See also == | == See also == | ||
Revision as of 01:25, 3 February 2024
- Not to be confused with Dyadic chord.
A dyad (less commonly, diad) is a chord of two pitch classes. In its simplest voicing, a dyad contains two notes, but it may also contain octave doublings (assuming octave equivalence). For example, a power chord is a dyad because it contains only two pitch classes a perfect fifth apart, even though it usually contains at least three notes.
Dyads can be classified by the interval between the notes, and as such the words dyad and interval are sometimes used interchangeably, especially to distinguish from the mathematical sense of interval (connected subset of the real line).