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, especially to distinguish from the mathematical sense of ''interval'' (connected subset of the real line). | Dyads can be classified by the [[interval]] between the notes, and as such the words ''dyad'' and ''interval'' are sometimes used interchangeably (on the Xen Wiki, especially to distinguish from the mathematical sense of ''interval'' (connected subset of the real line)). | ||
== See also == | == See also == | ||