Red van man's sandbox
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A chord consists of two or more notes played simultaneously that are certain intervals apart. The following table shows the labels given to these intervals and the respective notes for each of the twelve keys. Chord notation provides a shorthand for intervals, not actual notes. This table provides a mapping of intervals to actual notes to play.
|
|
Semitones from root
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| 1
|
2
|
3
|
4
|
5
|
6
|
6
|
7
|
8
|
9
|
10
|
11
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| Interval
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| Root
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Minor Second
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Major Second
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Minor Third
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Major Third
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Perfect Fourth
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Augmented Fourth
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Diminished Fifth
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Perfect Fifth
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Minor Sixth
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Major Sixth
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Minor Seventh
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Major Seventh
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| C♭
|
D
|
D♭
|
E
|
E♭
|
F
|
F
|
G
|
G♭
|
A
|
A♭
|
B
|
B♭
|
| G♭
|
A
|
A♭
|
B
|
B♭
|
C♭
|
C
|
D
|
D♭
|
E
|
E♭
|
F♭
|
F
|
| D♭
|
E
|
E♭
|
F♭
|
F
|
G♭
|
G
|
A
|
A♭
|
B
|
B♭
|
C♭
|
C
|
| A♭
|
B
|
B♭
|
C♭
|
C
|
D♭
|
D
|
E
|
E♭
|
F♭
|
F
|
G♭
|
G
|
| E♭
|
F♭
|
F
|
G♭
|
G
|
A♭
|
A
|
B
|
B♭
|
C♭
|
C
|
D♭
|
D
|
| B♭
|
C♭
|
C
|
D♭
|
D
|
E♭
|
E
|
F♭
|
F
|
G♭
|
G
|
A♭
|
A
|
| F
|
G♭
|
G
|
A♭
|
A
|
B♭
|
B
|
C♭
|
C
|
D♭
|
D
|
E♭
|
E
|
| C
|
D♭
|
D
|
E♭
|
E
|
F
|
F♯
|
G♭
|
G
|
A♭
|
A
|
B♭
|
B
|
| G
|
A♭
|
A
|
B♭
|
B
|
C
|
C♯
|
D♭
|
D
|
E♭
|
E
|
F
|
F♯
|
| D
|
E♭
|
E
|
F
|
F♯
|
G
|
G♯
|
A♭
|
A
|
B♭
|
B
|
C
|
C♯
|
| A
|
B♭
|
B
|
C
|
C♯
|
D
|
D♯
|
E♭
|
E
|
F
|
F♯
|
G
|
G♯
|
| E
|
F
|
F♯
|
G
|
G♯
|
A
|
A♯
|
B♭
|
B
|
C
|
C♯
|
D
|
D♯
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| B
|
C
|
C♯
|
D
|
D♯
|
E
|
E♯
|
F
|
F♯
|
G
|
G♯
|
A
|
A♯
|
| F♯
|
G
|
G♯
|
A
|
A♯
|
B
|
B♯
|
C
|
C♯
|
D
|
D♯
|
E
|
E♯
|
| C♯
|
D
|
D♯
|
E
|
E♯
|
F♯
|
F
|
G
|
G♯
|
A
|
A♯
|
B
|
B♯
|