Temporal.Music.Western.TwelveTone

12-tones

Chromatic scales

Tones

data Chromatic

12-tone scale. Default scale defined in Pch class is equal temperament.

Constructors

C

Cs

D

Ds

E

F

Fs

G

Gs

A

As

B

Instances

Bounded Chromatic

Enum Chromatic

Eq Chromatic

Show Chromatic

Pch Chromatic

Seg Chromatic

c, bf, af, gf, ff, ef, df, cf, bs, as, gs, fs, es, ds, cs, b, a, g, f, e, d :: Tone Chromatic

Scales

eqt :: Int -> Frequency -> Scale

12 tone equal temperament scale

pyth :: Int -> Frequency -> Scale

pythagorean scale

hind :: Int -> Frequency -> Scale

hindemithean scale with mean of fs and gb for tritone

hindFs :: Int -> Frequency -> Scale

hindemithean scale with fs for tritone

hindGb :: Int -> Frequency -> Scale

hindemithean scale with gb for tritone

Scales

Here scales are scale functions. The take chromatic scales and produce 5-tone subscales.

minor5 :: Scale -> Scale

major5 :: Scale -> Scale

bluesMinor5 :: Scale -> Scale

bluesMajor5 :: Scale -> Scale

egyptian5 :: Scale -> Scale

Intervals

pure intervals as factors

pureOctave, pureMinorSeventh, pureMajorSeventh, pureMinorSixth, pureMajorSixth, pureHalfTone, pureWholeTone, pureMinorThird, pureMajorThird, pureForth, pureFifth :: Fractional a => a

in steps for 12 tone scale

majorSeventh, halfTone, wholeTone, minorThird, majorThird, forth, tritone, fifth, minorSixth, majorSixth, minorSeventh :: Step