Information about the M7 interval

Name

Major seventh

Abbreviation

M7
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Construct

How to build a Major seventh?

1.
A Major seventh uses 7 naturals.
Example: C3 D3 E3 F3 G3 A3 B3
2.
A Major seventh has 11 semitones between the notes.
Example: C3 C#3 D3 D#3 E3 F3 F#3 G3 G#3 A3 A#3 B3

Cheatsheet

Cb3 ↠ Bb3
C3 ↠ B3
C#3 ↠ B#3
Db3 ↠ C4
D3 ↠ C#4
D#3 ↠ C##4
Eb3 ↠ D4
E3 ↠ D#4
E#3 ↠ D##4
Fb3 ↠ Eb4
F3 ↠ E4
F#3 ↠ E#4
Gb3 ↠ F4
G3 ↠ F#4
G#3 ↠ F##4
Ab3 ↠ G4
A3 ↠ G#4
A#3 ↠ G##4
Bb3 ↠ A4
B3 ↠ A#4
B#3 ↠ A##4