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Information about the diminished sixth interval

Name

This is the diminished sixth interval.

Abbreviation

This interval is abbreviated with d6.

Practice the d6 interval

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Construct

How to construct the diminished sixth interval?

To construct an interval correctly you must always use two steps.

1 • Count the amount of naturals used
2 • Count the semitone steps between the two notes

At first, and with easy intervals, this may seem unnecessary, but when advancing to more difficult intervals and musical keys they will become more mandatory.

The following example is for a minor second from C3. Outcome: A3

1 • The diminished sixth spans 6 naturals.
C3  ↠  D3  ↠  E3  ↠  F3  ↠  G3  ↠  A3
2 • The diminished sixth has 24 semitones between the notes.
C3  ↠  D3  ↠  D3  ↠  E3  ↠  E3  ↠  F3  ↠  G3  ↠  G3  ↠  A3  ↠  A3  ↠  B3  ↠  B3  ↠  C4  ↠  D4  ↠  D4  ↠  E4  ↠  E4  ↠  F4  ↠  G4  ↠  G4  ↠  A4  ↠  A4  ↠  B4  ↠  B4  ↠  C5

Cheatsheet

The diminished sixth transposed from each note

C
Ab
C
A
C
A
D
Bb
D
B
D
B
E
C
E
C
E
C
F
Db
F
D
F
D
G
Eb
G
E
G
E
A
F
A
F
A
F
B
G
B
G
B
G

Practice the d6 interval

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Chords

Which chords use the diminished sixth interval?

Scales

Which scales use the diminished sixth interval?

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