Chords · Section index
Piano chords
43 chord types, each in all eighteen keys, and every entry opens with a keyboard you can play.
New to chords?
Four chord types, in the order a teacher would give them to you.
Those four cover most songs. Everything below is the complete catalogue, grouped by family.
Browse by key
Eighteen keys, both enharmonic spellings, C♯ and D♭ alike, each with its own entries.
All 43 types, by family
The complete catalogue, grouped by family. Every name links to a full entry in all eighteen keys.
Triads
Three notes; the foundation.
Power Chord
Two notes, no third.
Suspended & Added
The third replaced by a 2nd or 4th, plus added tones.
Sixth Chords
A sweeter alternative to the seventh.
Seventh Chords
Four notes; where harmony gets interesting.
Extended Chords
Ninths, elevenths and thirteenths: colour on top.
Altered Chords
Dominants with sharpened or flattened tensions.
The tension spectrum
One way to hold 43 types in your head: how much tension each one carries.