9/4: Difference between revisions

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 {{Infobox Interval
-| Name = Pythagorean ninth
+| Name = Pythagorean major ninth
 | Color name = w9, wa 9th
 | Sound = jid_9_4_pluck_adu_dr220.mp3
 }}
+'''9/4''', the '''Pythagorean major ninth''', is an interval which is equal to a stack of two perfect fifths (([[3/2]])<sup>2</sup>); the ratio between the 4th and 9th harmonics; one octave above [[9/8]]. See also [[ed9/4]].
-'''9/4''', the ''pythagorean ninth,'' is an interval which is equal to a stack of two perfect fifths [[3/2|(3/2]] * 3/2); the ratio between the 4th and 9th harmonics; one octave above [[9/8]]. See also [[ed9/4]].