A

20 chord types · 20 scale types

AMajor

Happy, bright sound. The most common chord type.

AC#E
EAC#
Intervals: 0 - 4 - 7 semitones

AmMinor

Sad, darker sound. Second most common chord type.

ACE
CEA
Intervals: 0 - 3 - 7 semitones

AdimDiminished

Tense, unstable sound. Often used as passing chord.

ACD#
CAD#
Intervals: 0 - 3 - 6 semitones

AaugAugmented

Mysterious, floating sound. Symmetrical structure.

AC#F
FAC#
Intervals: 0 - 4 - 8 semitones

Asus2Suspended 2nd

Open, ambiguous sound. Neither major nor minor.

ABE
EAB
Intervals: 0 - 2 - 7 semitones

Asus4Suspended 4th

Tension wanting to resolve. Common in rock/pop.

ADE
DEA
Intervals: 0 - 5 - 7 semitones

Amaj7Major 7th

Smooth, jazzy sound. Very common in jazz and R&B.

AC#EG#
EAC#G#
Intervals: 0 - 4 - 7 - 11 semitones

Am7Minor 7th

Mellow, jazzy minor. Staple of jazz and soul music.

ACEG
CEGA
Intervals: 0 - 3 - 7 - 10 semitones

A7Dominant 7th

Bluesy tension. Wants to resolve to the tonic.

AC#EG
EGAC#
Intervals: 0 - 4 - 7 - 10 semitones

Adim7Diminished 7th

Extremely tense. Symmetrical — repeats every 3 semitones.

ACD#F#
CAD#F#
Intervals: 0 - 3 - 6 - 9 semitones

Am7♭5Half-Diminished 7th

Minor 7th with a flat 5. Used in jazz ii-V-I in minor keys.

ACD#G
CGAD#
Intervals: 0 - 3 - 6 - 10 semitones

AmMaj7Minor Major 7th

Dark yet sophisticated. Common in film scores.

ACEG#
CEAG#
Intervals: 0 - 3 - 7 - 11 semitones

Aaug7Augmented 7th

Dominant with raised 5th. Adds extra tension.

AC#FG
FGAC#
Intervals: 0 - 4 - 8 - 10 semitones

Aadd9Add 9

Major triad with added 9th. Bright, open sound.

AC#EB
EABC#
Intervals: 0 - 4 - 7 - 14 semitones

Amaj9Major 9th

Lush, sophisticated. Popular in jazz and neo-soul.

AC#EG#B
EABC#G#
Intervals: 0 - 4 - 7 - 11 - 14 semitones

Am9Minor 9th

Rich minor color. Smooth jazz staple.

ACEGB
CEGAB
Intervals: 0 - 3 - 7 - 10 - 14 semitones

A9Dominant 9th

Funky, bluesy. Common in funk and R&B.

AC#EGB
EGABC#
Intervals: 0 - 4 - 7 - 10 - 14 semitones

A66th

Sweet, nostalgic sound. Classic jazz voicing.

AC#EF#
EAC#F#
Intervals: 0 - 4 - 7 - 9 semitones

Am6Minor 6th

Bittersweet quality. Used in jazz and bossa nova.

ACEF#
CEAF#
Intervals: 0 - 3 - 7 - 9 semitones

A5Power Chord

Root and fifth only. The backbone of rock and metal.

AE
EA
Intervals: 0 - 7 semitones