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Information about the major ninth interval

Name

This is the major ninth interval.

Abbreviation

This interval is abbreviated with M9.

Practice the M9 interval

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Construct

How to construct the major 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 major ninth spans 9 naturals.
C3  ↠  D3  ↠  E3  ↠  F3  ↠  G3  ↠  A3  ↠  B3  ↠  C4  ↠  D4
2 • The major ninth has 14 semitones between the notes.
C3  ↠  C3  ↠  D3  ↠  D3  ↠  E3  ↠  F3  ↠  F3  ↠  G3  ↠  G3  ↠  A3  ↠  A3  ↠  B3  ↠  C4  ↠  C4  ↠  D4

Cheatsheet

The major 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

Open the app and start your daily workout!

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Chords

Which chords use the major ninth interval?

Scales

Which scales use the major ninth interval?

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