9/4: Difference between revisions

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	'''9/4''', the ~~Pythagorean~~ ninth; two perfect fifths ([[3/2]] * 3/2); 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]].