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Information about the augmented octave interval

Name

This is the augmented octave interval.

Abbreviation

This interval is abbreviated with A8.

Practice the A8 interval

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Construct

How to construct the augmented octave 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: C4

1 • The augmented octave spans 8 naturals.
C3  ↠  D3  ↠  E3  ↠  F3  ↠  G3  ↠  A3  ↠  B3  ↠  C4
2 • The augmented octave has 13 semitones between the notes.
C3  ↠  C3  ↠  D3  ↠  D3  ↠  E3  ↠  F3  ↠  F3  ↠  G3  ↠  G3  ↠  A3  ↠  A3  ↠  B3  ↠  C4  ↠  C4

Cheatsheet

The augmented octave transposed from each note

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

Practice the augmented octave interval

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Chords

Which chords use the augmented octave interval?

Scales

Which scales use the augmented octave interval?

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