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19 equal temperament

Musical tuning system with 19 pitches per octave From Wikipedia, the free encyclopedia

19 equal temperament

In music, 19 equal temperament, called 19 TET, 19 EDO ("Equal Division of the Octave"), 19-ED2 ("Equal Division of 2:1) or 19 ET, is the tempered scale derived by dividing the octave into 19 equal steps (equal frequency ratios). Each step represents a frequency ratio of 19√2, or 63.16 cents (Playⓘ).

19 equal temperament keyboard[2]
Figure 1: 19-TET on the syntonic temperament's tuning continuum at P5= 694.737 cents[1]

The fact that traditional western music maps unambiguously onto this scale (unless it presupposes 12-EDO enharmonic equivalences) makes it easier to perform such music in this tuning than in many other tunings.

Joseph Yasser's 19 equal temperament keyboard layout[3]

19 EDO is the tuning of the syntonic temperament in which the tempered perfect fifth is equal to 694.737 cents, as shown in Figure 1 (look for the label "19 TET"). On an isomorphic keyboard, the fingering of music composed in 19 EDO is precisely the same as it is in any other syntonic tuning (such as 12 EDO), so long as the notes are "spelled properly" – that is, with no assumption that the sharp below matches the flat immediately above it (enharmonicity).

The comparison between a standard 12 tone classical guitar and a 19 tone guitar design. This is the preliminary data that Arto Juhani Heino used to develop the "Artone 19" guitar design. The measurements are in millimeters.[4]

History and use

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Perspective

Division of the octave into 19 equal-width steps arose naturally out of Renaissance music theory. The ratio of four minor thirds to an octave (⁠ 648 / 625 ⁠ or 62.565 cents – the "greater" diesis) was almost exactly a nineteenth of an octave. Interest in such a tuning system goes back to the 16th century, when composer Guillaume Costeley used it in his chanson Seigneur Dieu ta pitié of 1558. Costeley understood and desired the circulating aspect of this tuning.

In 1577, music theorist Francisco de Salinas discussed ⁠ 1 / 3 ⁠ comma meantone, in which the tempered perfect fifth is 694.786 cents. Salinas proposed tuning nineteen tones to the octave to this fifth, which falls within one cent of closing. The fifth of 19 EDO is 694.737 cents, which is less than a twentieth of a cent narrower, imperceptible and less than tuning error, so Salinas' suggestion is effectively 19 EDO.

In the 19th century, mathematician and music theorist Wesley Woolhouse proposed it as a more practical alternative to meantone temperaments he regarded as better, such as 50 EDO.[2]

The composer Joel Mandelbaum wrote on the properties of the 19 EDO tuning and advocated for its use in his Ph.D. thesis:[5] Mandelbaum argued that it is the only viable system with a number of divisions between 12 and 22, and furthermore, that the next smallest number of divisions resulting in a significant improvement in approximating just intervals is 31 TET.[5][6] Mandelbaum and Joseph Yasser have written music with 19 EDO.[7] Easley Blackwood stated that 19 EDO makes possible "a substantial enrichment of the tonal repertoire".[8]

Notation

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Usual pitch notation, promoted by Easley Blackwood[9] and Wesley Woolhouse,[2] for 19 equal temperament: Intervals are notated similarly to the 12 TET intervals that approximate them. Aside from double sharps or double flats, only the note pairs E♯ & F♭ and B♯ & C♭ are enharmonic equivalents (modern sense).[10]
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Just intonation intervals approximated in 19 EDO

19-EDO can be represented with the traditional letter names and system of sharps and flats simply by treating flats and sharps as distinct notes, as usual in standard musical practice; however, in 19-EDO the distinction is a real pitch difference, rather than a notational fiction. In 19-EDO only B♯ is enharmonic with C♭, and E♯ with F♭.

This article uses that re-adapted standard notation: Simply using conventionally enharmonic sharps and flats as distinct notes "as usual".

Interval size

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play diatonic scale in 19 EDOⓘ, contrast with diatonic scale in 12 EDOⓘ, contrast with just diatonic scaleⓘ

Here are the sizes of some common intervals and comparison with the ratios arising in the harmonic series; the difference column measures in cents the distance from an exact fit to these ratios.

For reference, the difference from the perfect fifth in the widely used 12 TET is 1.955 cents flat, the difference from the major third is 13.686 cents sharp, the minor third is 15.643 cents flat, and the (lost) harmonic minor seventh is 31.174 cents sharp.

Step (cents) 63 63 63 63 63 63 63 63 63 63 63 63 63 63 63 63 63 63 63
Note name A A♯ B♭ B B♯
C♭		 C C♯ D♭ D D♯ E♭ E E♯
F♭		 F F♯ G♭ G G♯ A♭ A
Interval (cents) 0 63 126 189 253 316 379 442 505 568 632 695 758 821 884 947 1011 1074 1137 1200
More information Interval name, Size (steps) ...
Interval name Size
(steps)		 Size
(cents)		 Midi Just ratio Just
(cents)		 Midi Error
(cents)
Octave 19 1200 2:1 1200 0
Septimal major seventh 18 1136.84 27:14 1137.04 −0.20
Diminished octave 18 1136.84 48:25 1129.33 Playⓘ +7.51
Major seventh 17 1073.68 15:8 1088.27 Playⓘ −14.58
Minor seventh 16 1010.53 9:5 1017.60 Playⓘ −7.07
Harmonic minor seventh 15 947.37 7:4 968.83 Playⓘ −21.46
Septimal major sixth 15 947.37 12:7 933.13 Playⓘ +14.24
Major sixth 14 884.21 5:3 884.36 Playⓘ −0.15
Minor sixth 13 821.05 8:5 813.69 Playⓘ +7.37
Augmented fifth 12 757.89 25:16 772.63 Playⓘ −14.73
Septimal minor sixth 12 757.89 14:9 764.92 −7.02
Perfect fifth 11 694.74 Playⓘ 3:2 701.96 Playⓘ −7.22
Greater tridecimal tritone 10 631.58 13:9 636.62 −5.04
Greater septimal tritone, diminished fifth 10 631.58 Playⓘ 10:7 617.49 Playⓘ +14.09
Lesser septimal tritone, augmented fourth 9 568.42 Playⓘ 7:5 582.51 −14.09
Lesser tridecimal tritone 9 568.42 18:13 563.38 +5.04
Perfect fourth 8 505.26 Playⓘ 4:3 498.04 Playⓘ +7.22
Augmented third 7 442.11 125:96 456.99 Playⓘ −14.88
Tridecimal major third 7 442.11 13:10 454.12 −10.22
Septimal major third 7 442.11 Playⓘ 9:7 435.08 Playⓘ +7.03
Major third 6 378.95 Playⓘ 5:4 386.31 Playⓘ −7.36
Inverted 13th harmonic 6 378.95 16:13 359.47 +19.48
Minor third 5 315.79 Playⓘ 6:5 315.64 Playⓘ +0.15
Septimal minor third 4 252.63 7:6 266.87 Playⓘ −14.24
Tridecimal ⁠ 5 / 4 ⁠ tone 4 252.63 15:13 247.74 +4.89
Septimal whole tone 4 252.63 Playⓘ 8:7 231.17 Playⓘ +21.46
Whole tone, major tone 3 189.47 9:8 203.91 Playⓘ −14.44
Whole tone, minor tone 3 189.47 Playⓘ 10:9 182.40 Playⓘ +7.07
Greater tridecimal ⁠ 2 / 3 ⁠-tone 2 126.32 13:12 138.57 −12.26
Lesser tridecimal ⁠ 2 / 3 ⁠-tone 2 126.32 14:13 128.30 −1.98
Septimal diatonic semitone 2 126.32 15:14 119.44 Playⓘ +6.88
Diatonic semitone, just 2 126.32 16:15 111.73 Playⓘ +14.59
Septimal chromatic semitone 1 63.16 Playⓘ 21:20 84.46 −21.31
Chromatic semitone, just 1 63.16 25:24 70.67 Playⓘ −7.51
Septimal third-tone 1 63.16 Playⓘ 28:27 62.96 +0.20
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A possible variant of 19-ED2 is 93-ED30, i.e. the division of 30:1 in 93 equal steps, corresponding to a stretching of the octave by 27.58¢, which improves the approximation of most natural ratios.

Scale diagram

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Circle of fifths in 19 tone equal temperament
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Major chord on C in 19 equal temperament: All notes within 8 cents of just intonation (rather than 14 for 12 equal temperament). Play 19 ETⓘ, Play justⓘ, or Play 12 ETⓘ

Because 19 is a prime number, repeating any fixed interval in this tuning system cycles through all possible notes; just as one may cycle through 12-EDO on the circle of fifths, since a fifth is 7 semitones, and number 7 is coprime to 12.

Modes

Ionian mode (major scale)

More information Key signature, Scale ...
Key signature Scale Number of
sharps		 Key signature Scale Number of
flats
C major C D E F G A B 0
G major G A B C D E F♯ 1
D major D E F♯ G A B C♯ 2
A major A B C♯ D E F♯ G♯ 3
E major E F♯ G♯ A B C♯ D♯ 4
B major B C♯ D♯ E F♯ G♯ A♯ 5 Cdouble flat major Cdouble flat Ddouble flat Edouble flat Fdouble flat Gdouble flat Adouble flat Bdouble flat 14
F♯ major F♯ G♯ A♯ B C♯ D♯ E♯ 6 Gdouble flat major Gdouble flat Adouble flat Bdouble flat Cdouble flat Ddouble flat Edouble flat F♭ 13
C♯ major C♯ D♯ E♯ F♯ G♯ A♯ B♯ 7 Ddouble flat major Ddouble flat Edouble flat F♭ Gdouble flat Adouble flat Bdouble flat C♭ 12
G♯ major G♯ A♯ B♯ C♯ D♯ E♯ Fdouble sharp 8 Adouble flat major Adouble flat Bdouble flat C♭ Ddouble flat Edouble flat F♭ G♭ 11
D♯ major D♯ E♯ Fdouble sharp G♯ A♯ B♯ Cdouble sharp 9 Edouble flat major Edouble flat F♭ G♭ Adouble flat Bdouble flat C♭ D♭ 10
A♯ major A♯ B♯ Cdouble sharp D♯ E♯ Fdouble sharp Gdouble sharp 10 Bdouble flat major Bdouble flat C♭ D♭ Edouble flat F♭ G♭ A♭ 9
E♯ major E♯ Fdouble sharp Gdouble sharp A♯ B♯ Cdouble sharp Ddouble sharp 11 F♭ major F♭ G♭ A♭ Bdouble flat C♭ D♭ E♭ 8
B♯ major B♯ Cdouble sharp Ddouble sharp E♯ Fdouble sharp Gdouble sharp Adouble sharp 12 C♭ major C♭ D♭ E♭ F♭ G♭ A♭ B♭ 7
Fdouble sharp major Fdouble sharp Gdouble sharp Adouble sharp B♯ Cdouble sharp Ddouble sharp Edouble sharp 13 G♭ major G♭ A♭ B♭ C♭ D♭ E♭ F 6
Cdouble sharp major Cdouble sharp Ddouble sharp Edouble sharp Fdouble sharp Gdouble sharp Adouble sharp Bdouble sharp 14 D♭ major D♭ E♭ F G♭ A♭ B♭ C 5
A♭ major A♭ B♭ C D♭ E♭ F G 4
E♭ major E♭ F G A♭ B♭ C D 3
B♭ major B♭ C D E♭ F G A 2
F major F G A B♭ C D E 1
C major C D E F G A B 0
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Dorian mode

More information Key signature, Scale ...
Key signature Scale Number of
sharps		 Key signature Scale Number of
flats
D Dorian D E F G A B C 0
A Dorian A B C D E F♯ G 1
E Dorian E F♯ G A B C♯ D 2
B Dorian B C♯ D E F♯ G♯ A 3
F♯ Dorian F♯ G♯ A B C♯ D♯ E 4
C♯ Dorian C♯ D♯ E F♯ G♯ A♯ B 5 Ddouble flat Dorian Ddouble flat Edouble flat Fdouble flat Gdouble flat Adouble flat Bdouble flat Cdouble flat 14
G♯ Dorian G♯ A♯ B C♯ D♯ E♯ F♯ 6 Adouble flat Dorian Adouble flat Bdouble flat Cdouble flat Ddouble flat Edouble flat F♭ Gdouble flat 13
D♯ Dorian D♯ E♯ F♯ G♯ A♯ B♯ C♯ 7 Edouble flat Dorian Edouble flat F♭ Gdouble flat Adouble flat Bdouble flat C♭ Ddouble flat 12
A♯ Dorian A♯ B♯ C♯ D♯ E♯ Fdouble sharp G♯ 8 Bdouble flat Dorian Bdouble flat C♭ Ddouble flat Edouble flat F♭ G♭ Adouble flat 11
E♯ Dorian E♯ Fdouble sharp G♯ A♯ B♯ Cdouble sharp D♯ 9 F♭ Dorian F♭ G♭ Adouble flat Bdouble flat C♭ D♭ Edouble flat 10
B♯ Dorian B♯ Cdouble sharp D♯ E♯ Fdouble sharp Gdouble sharp A♯ 10 C♭ Dorian C♭ D♭ Edouble flat F♭ G♭ A♭ Bdouble flat 9
Fdouble sharp Dorian Fdouble sharp Gdouble sharp A♯ B♯ Cdouble sharp Ddouble sharp E♯ 11 G♭ Dorian G♭ A♭ Bdouble flat C♭ D♭ E♭ F♭ 8
Cdouble sharp Dorian Cdouble sharp Ddouble sharp E♯ Fdouble sharp Gdouble sharp Adouble sharp B♯ 12 D♭ Dorian D♭ E♭ F♭ G♭ A♭ B♭ C♭ 7
Gdouble sharp Dorian Gdouble sharp Adouble sharp B♯ Cdouble sharp Ddouble sharp Edouble sharp Fdouble sharp 13 A♭ Dorian A♭ B♭ C♭ D♭ E♭ F G♭ 6
Ddouble sharp Dorian Ddouble sharp Edouble sharp Fdouble sharp Gdouble sharp Adouble sharp Bdouble sharp Cdouble sharp 14 E♭ Dorian E♭ F G♭ A♭ B♭ C D♭ 5
B♭ Dorian B♭ C D♭ E♭ F G A♭ 4
F Dorian F G A♭ B♭ C D E♭ 3
C Dorian C D E♭ F G A B♭ 2
G Dorian G A B♭ C D E F 1
D Dorian D E F G A B C 0
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Phrygian mode

More information Key signature, Scale ...
Key signature Scale Number of
sharps		 Key signature Scale Number of
flats
E Phrygian E F G A B C D 0
B Phrygian B C D E F♯ G A 1
F♯ Phrygian F♯ G A B C♯ D E 2
C♯ Phrygian C♯ D E F♯ G♯ A B 3
G♯ Phrygian G♯ A B C♯ D♯ E F♯ 4
D♯ Phrygian D♯ E F♯ G♯ A♯ B C♯ 5 Edouble flat Phrygian Edouble flat Fdouble flat Gdouble flat Adouble flat Bdouble flat Cdouble flat Ddouble flat 14
A♯ Phrygian A♯ B C♯ D♯ E♯ F♯ G♯ 6 Bdouble flat Phrygian Bdouble flat Cdouble flat Ddouble flat Edouble flat F♭ Gdouble flat Adouble flat 13
E♯ Phrygian E♯ F♯ G♯ A♯ B♯ C♯ D♯ 7 F♭ Phrygian F♭ Gdouble flat Adouble flat Bdouble flat C♭ Ddouble flat Edouble flat 12
B♯ Phrygian B♯ C♯ D♯ E♯ Fdouble sharp G♯ A♯ 8 C♭ Phrygian C♭ Ddouble flat Edouble flat F♭ G♭ Adouble flat Bdouble flat 11
Fdouble sharp Phrygian Fdouble sharp G♯ A♯ B♯ Cdouble sharp D♯ E♯ 9 G♭ Phrygian G♭ Adouble flat Bdouble flat C♭ D♭ Edouble flat F♭ 10
Cdouble sharp Phrygian Cdouble sharp D♯ E♯ Fdouble sharp Gdouble sharp A♯ B♯ 10 D♭ Phrygian D♭ Edouble flat F♭ G♭ A♭ Bdouble flat C♭ 9
Gdouble sharp Phrygian Gdouble sharp A♯ B♯ Cdouble sharp Ddouble sharp E♯ Fdouble sharp 11 A♭ Phrygian A♭ Bdouble flat C♭ D♭ E♭ F♭ G♭ 8
Ddouble sharp Phrygian Ddouble sharp E♯ Fdouble sharp Gdouble sharp Adouble sharp B♯ Cdouble sharp 12 E♭ Phrygian E♭ F♭ G♭ A♭ B♭ C♭ D♭ 7
Adouble sharp Phrygian Adouble sharp B♯ Cdouble sharp Ddouble sharp Edouble sharp Fdouble sharp Gdouble sharp 13 B♭ Phrygian B♭ C♭ D♭ E♭ F G♭ A♭ 6
Edouble sharp Phrygian Edouble sharp Fdouble sharp Gdouble sharp Adouble sharp Bdouble sharp Cdouble sharp Ddouble sharp 14 F Phrygian F G♭ A♭ B♭ C D♭ E♭ 5
C Phrygian C D♭ E♭ F G A♭ B♭ 4
G Phrygian G A♭ B♭ C D E♭ F 3
D Phrygian D E♭ F G A B♭ C 2
A Phrygian A B♭ C D E F G 1
E Phrygian E F G A B C D 0
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Lydian mode

More information Key signature, Scale ...
Key signature Scale Number of
sharps		 Key signature Scale Number of
flats
F Lydian F G A B C D E 0
C Lydian C D E F♯ G A B 1
G Lydian G A B C♯ D E F♯ 2
D Lydian D E F♯ G♯ A B C♯ 3
A Lydian A B C♯ D♯ E F♯ G♯ 4
E Lydian E F♯ G♯ A♯ B C♯ D♯ 5 Fdouble flat Lydian Fdouble flat Gdouble flat Adouble flat Bdouble flat Cdouble flat Ddouble flat Edouble flat 14
B Lydian B C♯ D♯ E♯ F♯ G♯ A♯ 6 Cdouble flat Lydian Cdouble flat Ddouble flat Edouble flat F♭ Gdouble flat Adouble flat Bdouble flat 13
F♯ Lydian F♯ G♯ A♯ B♯ C♯ D♯ E♯ 7 Gdouble flat Lydian Gdouble flat Adouble flat Bdouble flat C♭ Ddouble flat Edouble flat F♭ 12
C♯ Lydian C♯ D♯ E♯ Fdouble sharp G♯ A♯ B♯ 8 Ddouble flat Lydian Ddouble flat Edouble flat F♭ G♭ Adouble flat Bdouble flat C♭ 11
G♯ Lydian G♯ A♯ B♯ Cdouble sharp D♯ E♯ Fdouble sharp 9 Adouble flat Lydian Adouble flat Bdouble flat C♭ D♭ Edouble flat F♭ G♭ 10
D♯ Lydian D♯ E♯ Fdouble sharp Gdouble sharp A♯ B♯ Cdouble sharp 10 Edouble flat Lydian Edouble flat F♭ G♭ A♭ Bdouble flat C♭ D♭ 9
A♯ Lydian A♯ B♯ Cdouble sharp Ddouble sharp E♯ Fdouble sharp Gdouble sharp 11 Bdouble flat Lydian Bdouble flat C♭ D♭ E♭ F♭ G♭ A♭ 8
E♯ Lydian E♯ Fdouble sharp Gdouble sharp Adouble sharp B♯ Cdouble sharp Ddouble sharp 12 F♭ Lydian F♭ G♭ A♭ B♭ C♭ D♭ E♭ 7
B♯ Lydian B♯ Cdouble sharp Ddouble sharp Edouble sharp Fdouble sharp Gdouble sharp Adouble sharp 13 C♭ Lydian C♭ D♭ E♭ F G♭ A♭ B♭ 6
Fdouble sharp Lydian Fdouble sharp Gdouble sharp Adouble sharp Bdouble sharp Cdouble sharp Ddouble sharp Edouble sharp 14 G♭ Lydian G♭ A♭ B♭ C D♭ E♭ F 5
D♭ Lydian D♭ E♭ F G A♭ B♭ C 4
A♭ Lydian A♭ B♭ C D E♭ F G 3
E♭ Lydian E♭ F G A B♭ C D 2
B♭ Lydian B♭ C D E F G A 1
F Lydian F G A B C D E 0
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Mixolydian mode

More information Key signature, Scale ...
Key signature Scale Number of
sharps		 Key signature Scale Number of
flats
G Mixolydian G A B C D E F 0
D Mixolydian D E F♯ G A B C 1
A Mixolydian A B C♯ D E F♯ G 2
E Mixolydian E F♯ G♯ A B C♯ D 3
B Mixolydian B C♯ D♯ E F♯ G♯ A 4
F♯ Mixolydian F♯ G♯ A♯ B C♯ D♯ E 5 Gdouble flat Mixolydian Gdouble flat Adouble flat Bdouble flat Cdouble flat Ddouble flat Edouble flat Fdouble flat 14
C♯ Mixolydian C♯ D♯ E♯ F♯ G♯ A♯ B 6 Ddouble flat Mixolydian Ddouble flat Edouble flat F♭ Gdouble flat Adouble flat Bdouble flat Cdouble flat 13
G♯ Mixolydian G♯ A♯ B♯ C♯ D♯ E♯ F♯ 7 Adouble flat Mixolydian Adouble flat Bdouble flat C♭ Ddouble flat Edouble flat F♭ Gdouble flat 12
D♯ Mixolydian D♯ E♯ Fdouble sharp G♯ A♯ B♯ C♯ 8 Edouble flat Mixolydian Edouble flat F♭ G♭ Adouble flat Bdouble flat C♭ Ddouble flat 11
A♯ Mixolydian A♯ B♯ Cdouble sharp D♯ E♯ Fdouble sharp G♯ 9 Bdouble flat Mixolydian Bdouble flat C♭ D♭ Edouble flat F♭ G♭ Adouble flat 10
E♯ Mixolydian E♯ Fdouble sharp Gdouble sharp A♯ B♯ Cdouble sharp D♯ 10 F♭ Mixolydian F♭ G♭ A♭ Bdouble flat C♭ D♭ Edouble flat 9
B♯ Mixolydian B♯ Cdouble sharp Ddouble sharp E♯ Fdouble sharp Gdouble sharp A♯ 11 C♭ Mixolydian C♭ D♭ E♭ F♭ G♭ A♭ Bdouble flat 8
Fdouble sharp Mixolydian Fdouble sharp Gdouble sharp Adouble sharp B♯ Cdouble sharp Ddouble sharp E♯ 12 G♭ Mixolydian G♭ A♭ B♭ C♭ D♭ E♭ F♭ 7
Cdouble sharp Mixolydian Cdouble sharp Ddouble sharp Edouble sharp Fdouble sharp Gdouble sharp Adouble sharp B♯ 13 D♭ Mixolydian D♭ E♭ F G♭ A♭ B♭ C♭ 6
Gdouble sharp Mixolydian Gdouble sharp Adouble sharp Bdouble sharp Cdouble sharp Ddouble sharp Edouble sharp Fdouble sharp 14 A♭ Mixolydian A♭ B♭ C D♭ E♭ F G♭ 5
E♭ Mixolydian E♭ F G A♭ B♭ C D♭ 4
B♭ Mixolydian B♭ C D E♭ F G A♭ 3
F Mixolydian F G A B♭ C D E♭ 2
C Mixolydian C D E F G A B♭ 1
G Mixolydian G A B C D E F 0
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Aeolian mode (natural minor scale)

More information Key signature, Scale ...
Key signature Scale Number of
sharps		 Key signature Scale Number of
flats
A minor A B C D E F G 0
E minor E F♯ G A B C D 1
B minor B C♯ D E F♯ G A 2
F♯ minor F♯ G♯ A B C♯ D E 3
C♯ minor C♯ D♯ E F♯ G♯ A B 4
G♯ minor G♯ A♯ B C♯ D♯ E F♯ 5 Adouble flat minor Adouble flat Bdouble flat Cdouble flat Ddouble flat Edouble flat Fdouble flat Gdouble flat 14
D♯ minor D♯ E♯ F♯ G♯ A♯ B C♯ 6 Edouble flat minor Edouble flat F♭ Gdouble flat Adouble flat Bdouble flat Cdouble flat Ddouble flat 13
A♯ minor A♯ B♯ C♯ D♯ E♯ F♯ G♯ 7 Bdouble flat minor Bdouble flat C♭ Ddouble flat Edouble flat F♭ Gdouble flat Adouble flat 12
E♯ minor E♯ Fdouble sharp G♯ A♯ B♯ C♯ D♯ 8 F♭ minor F♭ G♭ Adouble flat Bdouble flat C♭ Ddouble flat Edouble flat 11
B♯ minor B♯ Cdouble sharp D♯ E♯ Fdouble sharp G♯ A♯ 9 C♭ minor C♭ D♭ Edouble flat F♭ G♭ Adouble flat Bdouble flat 10
Fdouble sharp minor Fdouble sharp Gdouble sharp A♯ B♯ Cdouble sharp D♯ E♯ 10 G♭ minor G♭ A♭ Bdouble flat C♭ D♭ Edouble flat F♭ 9
Cdouble sharp minor Cdouble sharp Ddouble sharp E♯ Fdouble sharp Gdouble sharp A♯ B♯ 11 D♭ minor D♭ E♭ F♭ G♭ A♭ Bdouble flat C♭ 8
Gdouble sharp minor Gdouble sharp Adouble sharp B♯ Cdouble sharp Ddouble sharp E♯ Fdouble sharp 12 A♭ minor A♭ B♭ C♭ D♭ E♭ F♭ G♭ 7
Ddouble sharp minor Ddouble sharp Edouble sharp Fdouble sharp Gdouble sharp Adouble sharp B♯ Cdouble sharp 13 E♭ minor E♭ F G♭ A♭ B♭ C♭ D♭ 6
Adouble sharp minor Adouble sharp Bdouble sharp Cdouble sharp Ddouble sharp Edouble sharp Fdouble sharp Gdouble sharp 14 B♭ minor B♭ C D♭ E♭ F G♭ A♭ 5
F minor F G A♭ B♭ C D♭ E♭ 4
C minor C D E♭ F G A♭ B♭ 3
G minor G A B♭ C D E♭ F 2
D minor D E F G A B♭ C 1
A minor A B C D E F G 0
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Locrian mode

More information Key signature, Scale ...
Key signature Scale Number of
sharps		 Key signature Scale Number of
flats
B Locrian B C D E F G A 0
F♯ Locrian F♯ G A B C D E 1
C♯ Locrian C♯ D E F♯ G A B 2
G♯ Locrian G♯ A B C♯ D E F♯ 3
D♯ Locrian D♯ E F♯ G♯ A B C♯ 4
A♯ Locrian A♯ B C♯ D♯ E F♯ G♯ 5 Bdouble flat Locrian Bdouble flat Cdouble flat Ddouble flat Edouble flat Fdouble flat Gdouble flat Adouble flat 14
E♯ Locrian E♯ F♯ G♯ A♯ B C♯ D♯ 6 F♭ Locrian F♭ Gdouble flat Adouble flat Bdouble flat Cdouble flat Ddouble flat Edouble flat 13
B♯ Locrian B♯ C♯ D♯ E♯ F♯ G♯ A♯ 7 C♭ Locrian C♭ Ddouble flat Edouble flat F♭ Gdouble flat Adouble flat Bdouble flat 12
Fdouble sharp Locrian Fdouble sharp G♯ A♯ B♯ C♯ D♯ E♯ 8 G♭ Locrian G♭ Adouble flat Bdouble flat C♭ Ddouble flat Edouble flat F♭ 11
Cdouble sharp Locrian Cdouble sharp D♯ E♯ Fdouble sharp G♯ A♯ B♯ 9 D♭ Locrian D♭ Edouble flat F♭ G♭ Adouble flat Bdouble flat C♭ 10
Gdouble sharp Locrian Gdouble sharp A♯ B♯ Cdouble sharp D♯ E♯ Fdouble sharp 10 A♭ Locrian A♭ Bdouble flat C♭ D♭ Edouble flat F♭ G♭ 9
Ddouble sharp Locrian Ddouble sharp E♯ Fdouble sharp Gdouble sharp A♯ B♯ Cdouble sharp 11 E♭ Locrian E♭ F♭ G♭ A♭ Bdouble flat C♭ D♭ 8
Adouble sharp Locrian Adouble sharp B♯ Cdouble sharp Ddouble sharp E♯ Fdouble sharp Gdouble sharp 12 B♭ Locrian B♭ C♭ D♭ E♭ F♭ G♭ A♭ 7
Edouble sharp Locrian Edouble sharp Fdouble sharp Gdouble sharp Adouble sharp B♯ Cdouble sharp Ddouble sharp 13 F Locrian F G♭ A♭ B♭ C♭ D♭ E♭ 6
Bdouble sharp Locrian Bdouble sharp Cdouble sharp Ddouble sharp Edouble sharp Fdouble sharp Gdouble sharp Adouble sharp 14 C Locrian C D♭ E♭ F G♭ A♭ B♭ 5
G Locrian G A♭ B♭ C D♭ E♭ F 4
D Locrian D E♭ F G A♭ B♭ C 3
A Locrian A B♭ C D E♭ F G 2
E Locrian E F G A B♭ C D 1
B Locrian B C D E F G A 0
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See also

References

Further reading

External links

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