4/1: Difference between revisions

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 {{Wikipedia| Fifteenth }}
-'''4/1''' is the '''4th harmonic''', '''double octave''', '''fifteenth''', or the '''tetrave'''. It is equal to a stack of two [[octave]]s: ([[2/1]])<sup>2</sup>.
+'''4/1''', the '''4th harmonic''', '''double octave''', '''fifteenth''', or '''tetrave''' is the [[harmonic]] past [[3/1]] and before [[5/1]]. It is equal to a stack of two [[octave]]s: ([[2/1]])<sup>2</sup>.
-It is the equivalence interval of the [[meansquared]] temperament.
+It is the [[interval of equivalence]] in certain temperaments that omit every other octave, such as [[meansquared]].
 == See also ==
-* [[Ed4]] – Equal divisions of the 4th harmonic
+* [[Ed4]] – equal divisions of the 4th harmonic