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- Septimal_quarter_tone abstract "A septimal quarter-tone (in music) is an interval with the ratio of 36:35 (About this sound play ), which is the difference between the septimal minor third (About this sound play ) and the Just minor third (About this sound play ), or about 48.77 cents wide. The name derives from the interval being the 7-limit approximation of a quarter tone. The septimal quarter-tone can be viewed either as a musical interval in its own right, or as a comma; if it is tempered out in a given tuning system, the distinction between the two different types of minor thirds is lost. The septimal quarter-tone may be derived from the harmonic series as the interval between the thirty-fifth and thirty-sixth harmonics.Composer Ben Johnston uses a small seven ("7") as an accidental to indicate a note is lowered 49 cents, or an upside-down seven ("7 upside-down") to indicate a note is raised 49 cents. The Maneri-Sims notation system designed for 72-et uses the accidentals x and x for a quarter-tone (36:35 or 48.77 cents) up and down.The septimal quarter-tone is tempered out by twelve-tone equal temperament, but not in any of 19-TET, 22-TET, 24-TET, or 31-TET. 22-TET and 24-TET offer a very close match to the septimal quarter-tone.The septimal quarter-tone is the difference between the just minor seventh and the harmonic seventh.".
- Septimal_quarter_tone thumbnail Septimal_quarter-tone_on_C.png?width=300.
- Septimal_quarter_tone wikiPageID "14613204".
- Septimal_quarter_tone wikiPageRevisionID "581426421".
- Septimal_quarter_tone hasPhotoCollection Septimal_quarter_tone.
- Septimal_quarter_tone subject Category:7-limit_tuning_and_intervals.
- Septimal_quarter_tone subject Category:Commas.
- Septimal_quarter_tone subject Category:Quarter_tones.
- Septimal_quarter_tone subject Category:Superparticular_intervals.
- Septimal_quarter_tone type Abstraction100002137.
- Septimal_quarter_tone type Comma106842852.
- Septimal_quarter_tone type Commas.
- Septimal_quarter_tone type Communication100033020.
- Septimal_quarter_tone type Mark106817782.
- Septimal_quarter_tone type Measure100033615.
- Septimal_quarter_tone type Punctuation106841365.
- Septimal_quarter_tone type Signal106791372.
- Septimal_quarter_tone type SuperparticularIntervals.
- Septimal_quarter_tone type Symbol106806469.
- Septimal_quarter_tone type TimeInterval115269513.
- Septimal_quarter_tone type WrittenSymbol106817623.
- Septimal_quarter_tone comment "A septimal quarter-tone (in music) is an interval with the ratio of 36:35 (About this sound play ), which is the difference between the septimal minor third (About this sound play ) and the Just minor third (About this sound play ), or about 48.77 cents wide. The name derives from the interval being the 7-limit approximation of a quarter tone.".
- Septimal_quarter_tone label "Septimal quarter tone".
- Septimal_quarter_tone sameAs m.03gqljw.
- Septimal_quarter_tone sameAs Q7452285.
- Septimal_quarter_tone sameAs Q7452285.
- Septimal_quarter_tone sameAs Septimal_quarter_tone.
- Septimal_quarter_tone wasDerivedFrom Septimal_quarter_tone?oldid=581426421.
- Septimal_quarter_tone depiction Septimal_quarter-tone_on_C.png.
- Septimal_quarter_tone isPrimaryTopicOf Septimal_quarter_tone.