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Information about the augmented seventh interval

Name

This is the augmented seventh interval.

Abbreviation

This interval is abbreviated with A7.

Practice the A7 interval

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Construct

How to construct the augmented seventh 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: B3

1 • The augmented seventh spans 7 naturals.
C3  ↠  D3  ↠  E3  ↠  F3  ↠  G3  ↠  A3  ↠  B3
2 • The augmented seventh has 24 semitones between the notes.
C3  ↠  C3  ↠  D3  ↠  D3  ↠  E3  ↠  F3  ↠  F3  ↠  G3  ↠  G3  ↠  A3  ↠  A3  ↠  B3  ↠  C4  ↠  C4  ↠  D4  ↠  D4  ↠  E4  ↠  F4  ↠  F4  ↠  G4  ↠  G4  ↠  A4  ↠  A4  ↠  B4  ↠  C5

Cheatsheet

The augmented seventh transposed from each note

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

Practice the A7 interval

Open the app and start your daily workout!

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Chords

Which chords use the augmented seventh interval?

Scales

Which scales use the augmented seventh interval?

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