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The perfect fourth is a perfect interval like the unison, octave, and perfect fifth, and it is a sensory consonance. In common practice harmony, however, it is considered a stylistic dissonance in certain contexts, namely in two-voice textures and whenever it occurs "above the bass in chords with three or more notes". [ 2 ]
The perfect fifth above D (A+, 27/16) is a syntonic comma (81/80 or 21.5 cents) higher than the just major sixth above middle C: (A ♮, 5/3). [10] Just perfect fifth below A. The perfect fifth below A (D-, 10/9) is a syntonic comma lower than the just/Pythagorean major second above middle C: (D ♮ , 9/8).
The F alto is a non-transposing instrument, though its basic scale is in F, that is, a fifth lower than the soprano recorder and a fourth higher than the tenor (both with a basic scale in C). So-called F fingerings are therefore used, as with the bassoon or the low register of the clarinet, in contrast to the C fingerings used for most other ...
For instance, the limit of the just perfect fourth (4:3) is 3, but the just minor tone (10:9) has a limit of 5, because 10 can be factored into 2 × 5 (and 9 into 3 × 3). There exists another type of limit, the odd limit , a concept used by Harry Partch (bigger of odd numbers obtained after dividing numerator and denominator by highest ...
A surviving consort by "!!" follows the exact size configuration suggested by Praetorius: stacked fifths up from the basset in F 3, and down a fifth then a fourth to bass in B ♭ 2 and great bass in F 2. Instruments marked "HIER S•" or "HIE•S" are in stacked fifths from great bass in F 2 to soprano in E 5. [57]
The size of an interval between two notes may be measured by the ratio of their frequencies.When a musical instrument is tuned using a just intonation tuning system, the size of the main intervals can be expressed by small-integer ratios, such as 1:1 (), 2:1 (), 5:3 (major sixth), 3:2 (perfect fifth), 4:3 (perfect fourth), 5:4 (major third), 6:5 (minor third).
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F 3: Heckelphone and Bass oboe C 3: Oud: G 2: Bolahenk tuning Recorder Garklein recorder: C 6: Sopranino recorder: C 5 /F 5: Soprano recorder: C 5, formerly G 4: B ♭ Soprano recorder B ♭ 4: Alto recorder F 4: Voice flute: D 4, formerly A 3: Tenor recorder: C 4, formerly G 3: Basset recorder F 3: Bass recorder: C 3: When notated in treble ...