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Information about the minor ninth interval

Name

This is the minor ninth interval.

Abbreviation

This interval is abbreviated with m9.

Practice the m9 interval

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Construct

How to construct the minor ninth 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: D4

1 • The minor ninth spans 9 naturals.
C3  ↠  D3  ↠  E3  ↠  F3  ↠  G3  ↠  A3  ↠  B3  ↠  C4  ↠  D4
2 • The minor ninth has 13 semitones between the notes.
C3  ↠  D3  ↠  D3  ↠  E3  ↠  E3  ↠  F3  ↠  G3  ↠  G3  ↠  A3  ↠  A3  ↠  B3  ↠  B3  ↠  C4  ↠  D4

Cheatsheet

The minor ninth transposed from each note

C
D
C
D
C
D
D
E
D
E
D
E
E
F
E
F
E
F
F
G
F
G
F
G
G
A
G
A
G
A
A
B
A
B
A
B
B
C
B
C
B
C

Practice the m9 interval

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Chords

Which chords use the minor ninth interval?

Scales

Which scales use the minor ninth interval?

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