Major seventh chord: Difference between revisions
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{{Wikipedia}} | {{Wikipedia|Major seventh chord}} | ||
A '''major seventh chord''' is a [[tetrad]] comprising a root, [[major]] third, [[perfect]] fifth, and major seventh. | A '''major seventh chord''' is a [[tetrad]] comprising a root, [[major]] third, [[perfect]] fifth, and major seventh. | ||
== | == In just intonation == | ||
In the [[5-limit]]: | |||
* [[8:10:12:15]] is found on on the I ({{Frac|1|1}}) and IV ({{Frac|4|3}}) of Ptolemy's intense diatonic scale ([[Zarlino]]), perhaps the most common [[5-limit]] diatonic. | |||
In the [[3-limit]]: | In the [[3-limit]]: | ||
* [[128:162:192:243]] spans five octave-reduced fifths, and may be considered a 3-limit approximation of 8:10:12:15. | * [[128:162:192:243]] spans five octave-reduced fifths, and may be considered a 3-limit approximation of 8:10:12:15. | ||
[[Category:Major seventh chords| ]] | [[Category:Major seventh chords| ]] | ||
[[Category:Just intonation chords]] | [[Category:Just intonation chords]] | ||