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All the piano chord types you need

From basic triads to rich seventh chords. Learn and practice them all at PianoTrail.

18 chord types
5 learning levels
Interactive trainer · all keys
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Beginner

Beginner

C

Major

CEG
Formula: 1-3-5

Your first chord! Sounds happy and cheerful. It's like the "C-E-G" that everyone knows. This is where it all begins!

Cm

Minor

CGEb
Formula: 1-♭3-5

Just lower one black key in the middle. What a difference! Now it sounds sad or melancholic. Pure magic!

Elementary

Elementary

Cdim

Diminished

CEbGb
Formula: 1-♭3-♭5

The "dramatic" chord. Sounds weird and tense, like something bad is about to happen. They use it a lot in horror movies!

Caug

Augmented

CEG#
Formula: 1-3-#5

The "strange" chord. It has a floating, mysterious sound. It's like it's floating in the air!

Csus4

Sus4

CFG
Formula: 1-4-5

The chord that "doesn't end". It feels like something is missing, like when you wait for someone to finish talking.

Intermediate

Intermediate

Csus2

Sus2

CDG
Formula: 1-2-5

Like sus4 but softer. Sounds modern and open. You hear it in all today's songs!

C7

Dominant 7

CEGBb
Formula: 1-3-5-♭7

The king of blues! Add one more note and you've got that "bluesy" sound. This chord rocks!

Cm7

Minor 7

CGEbBb
Formula: 1-♭3-5-♭7

Smooth as a hug. Relaxed and warm. It's the chord everyone loves to play. You're gonna get hooked!

Upper Intermediate

Upper Intermediate

Cmaj7

Major 7

CEGB
Formula: 1-3-5-7

The "dreamy" chord. Sophisticated and beautiful. It's like a regular major but more elegant. You're gonna love it!

Cdim7

Diminished 7

CAEbGb
Formula: 1-♭3-♭5-♭♭7

The "wildcard" chord. Super useful because you can use it to connect any chord to any other. Awesome!

Cm7b5

Minor 7♭5

CEbGbBb
Formula: 1-♭3-♭5-♭7

A very "jazzy" chord. Sounds softer than regular diminished. Once you learn it, you'll sound like a pro!

C6

Major 6

CEGA
Formula: 1-3-5-6

The "retro" chord. Takes you back to the 40s and 50s. Softer than maj7 but just as elegant. Super cool!

Advanced

Advanced

C9

Dominant 9

CDEGBb
Formula: 1-3-5-♭7-9

Like the 7 chord but with an extra note that gives it more "color". Jazz pianists use it all the time!

Cmaj9

Major 9

CDEGB
Formula: 1-3-5-7-9

Super modern and spacious. It's the most used chord in modern jazz. Sounds amazing!

Cm9

Minor 9

CDGEbBb
Formula: 1-♭3-5-♭7-9

Warm and enveloping. Perfect for creating those deep atmospheres that give you goosebumps.

C11

Dominant 11

CDFGBb
Formula: 1-3-5-♭7-9-11

A chord with many notes. Trick: sometimes it's better not to play all notes to make it cleaner.

C13

Dominant 13

CDEGABb
Formula: 1-3-5-♭7-9-13

The most complete chord that exists! It's like putting an entire orchestra in your two hands. Brutal!

C7alt

Altered Dominant

CEGD#Bb
Formula: 1-3-♭7 + alterations (♭9, #9, #11, ♭13)

The most "intense" chord. It's like twisting a regular chord to create maximum tension. For epic moments!

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