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The 15 diatonic scales

The 15 diatonic scales are: C   D E F G A B
  C# Cb Db Eb F# Gb Ab Bb
They are not:     D# E# Fb G# A# B#

All three variations of C (C natural, C flat and C sharp) can be written to a diatonic scale. For every other letter, two variations can be written.

Browse the diatonic scales. Some have sharps. Some have flats. None have both sharps and flats.

C  D  E  F  G  A  B  C
D  E  F# G  A  B  C# D
E  F# G# A  B  C# D# E
F  G  A  Bb C  D  E  F
G  A  B  C  D  E  F# G
A  B  C# D  E  F# G# A
B  C# D# E  F# G# A# B     
C# D# E# F# G# A# B# C# 
Db Eb F  Gb Ab Bb C  Db 
Eb F  G  Ab Bb C  D  Eb 
F# G# A# B  C# D# E# F# 
Gb Ab Bb Cb Db Eb F  Gb 
Ab Bb C  Db Eb F  G  Ab 
Bb C  D  Eb F  G  A  Bb
Cb Db Eb Fb Gb Ab Bb Cb    

Scales with sharps

There are 7 diatonic scales with sharps.

  D'scale
G: G A B C D E F# G
D: D E F# G A B C# D
A: A B C# D E F# G# A
E: E F# G# A B C# D# E
B: B C# D# E F# G# A# B
F#: F# G# A# B C# D# E# F#
C#: C# D# E# F# G# A# B# C#

A unique number of sharps can be counted to each diatonic scale.

D’scale G D A E B F# C#
#‘s 1 2 3 4 5 6 7

Scales with flats

There are 7 diatonic scales with flats.

  D'scale
F: F G A Bb C D E F
Bb: Bb C D Eb F G A Bb
Eb: Eb F G Ab Bb C D Eb
Ab: Ab Bb C Db Eb F G Ab
Db: Db Eb F Gb Ab Bb C Db
Gb: Gb Ab Bb Cb Db Eb F Gb
Cb: Cb Db Eb Fb Gb Ab Bb Cb

A unique number of flats can be counted to each diatonic scale.

D’scale F Bb Eb Ab Db Gb Cb
b‘s 1 2 3 4 5 6 7


Music Theory


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