Information about the m9 interval

Name

Minor ninth

Abbreviation

m9

Chordname

Flat nine
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Construct

How to build a Minor ninth?

1.
A Minor ninth uses 9 naturals.
Example: C3 D3 E3 F3 G3 A3 B3 C4 D4
2.
A Minor ninth has 13 semitones between the notes.
Example: C3 Db3 D3 Eb3 E3 F3 Gb3 G3 Ab3 A3 Bb3 B3 C4 Db4

Cheatsheet

Cb3 ↠ Dbb4
C3 ↠ Db4
C#3 ↠ D4
Db3 ↠ Ebb4
D3 ↠ Eb4
D#3 ↠ E4
Eb3 ↠ Fb4
E3 ↠ F4
E#3 ↠ F#4
Fb3 ↠ Gbb4
F3 ↠ Gb4
F#3 ↠ G4
Gb3 ↠ Abb4
G3 ↠ Ab4
G#3 ↠ A4
Ab3 ↠ Bbb4
A3 ↠ Bb4
A#3 ↠ B4
Bb3 ↠ Cb5
B3 ↠ C5
B#3 ↠ C#5