Chord Library - Select a chord

Find new chords in the extensive chord library. Examples on how to construct and play nearly any chord you can think of are included in the pages. You will also find cheat sheets with sheet music, piano chords and guitar chords in any key.

Quick-select chord families

MajorMinorDominant 7DiminishedAugmentedSuspended

Featured chords in C

Guitar voicing #11 of the C Major chord
Major
Major triad (1-3-5); stable tonic color and foundation of tonal harmony.
Piano voicing of chord C Minor - 1
Minor
Minor triad (1–♭3–5); stable minor color, relative to major by lowering the third.
Guitar voicing #11 of the C Minor seventh chord
Minor seventh
Minor seventh (1–♭3–5–♭7): the everyday minor-seventh stack behind ii7, i7 vamps, and R&B shells—not the major-seventh minor color of mM7.
Guitar voicing #7 of the C Major seventh chord
Major seventh
Major seventh (1–3–5–7); stable major color with leading-tone pull to the octave.
Guitar voicing #3 of the C Augmented chord
Augmented
Augmented triad (1–3–♯5); symmetric stacks and whole-tone color.
Guitar voicing #5 of the C Fifth chord
Fifth
Fifth chord (1–5); raw, thunderous sound, perfectly neutral toward major/minor due to the complete absence of the third.
Aliases
Actions
MajorM, ^, , majBeginner
Minorm, min, -Beginner
Fifth5Beginner
Suspended fourthsus4, susBeginner
Diminisheddim, °, oBeginner
Major seventhmaj7, Δ, ma7, M7, Maj7, ^7Easy
Minor seventhm7, min7, mi7, -7Easy
Dominant seventh7, domEasy
Augmentedaug, +, +5, ^#5Easy
Suspended secondsus2Easy
Minor seventh flat fifthm7b5, ø, -7b5, h7, hEasy
Major sixth6, add6, add13, M6Easy
Minor sixthm6, -6Easy
Dominant ninth9Easy
Diminished seventhdim7, °7, o7Easy
Suspended second and fourthsus24, sus4add9Easy
Dominant ninth suspended fourth9sus4, 9susEasy
Altered seventhalt7Easy
Minor ninthm9, -9Easy
Minor add ninthmadd9Easy
Minor major seventhm/ma7, m/maj7, mM7, mMaj7, m/M7, -Δ7, mΔ, -^7, -maj7Intermediate
Major ninthmaj9, Δ9, ^9Intermediate
Dominant ninth sharp eleventh9#11, 9+4, 9#4Intermediate
Minor seventh add eleventhm7add11, m7add4Intermediate
Dominant ninth flat fifth9b5Intermediate
Major seventh suspended fourthM7sus4Intermediate
Major ninth suspended fourthM9sus4Intermediate
Major ninth flat fifthM9b5Intermediate
Minor ninth flat fifthm9b5Intermediate
Dominant seventh no fifth7no5Intermediate
Dominant eleventh11Intermediate
Ninth no fifth9no5Intermediate
Dominant ninth sharp fifth9#5, 9+Intermediate
Minor ninth sharp fifthm9#5Intermediate
Dominant thirteenth no fifth13no5Intermediate
Dominant ninth sharp fifth sharp eleventh9#5#11Intermediate
Sixth add ninth6add9, 6/9, 69, M69Intermediate
Major sixth sharp eleventhM6#11, M6b5, 6#11, 6b5Intermediate
Dominant ninth flat thirteenth9b13Intermediate
Minor eleventhm11, -11Intermediate
Dominant seventh flat thirteenth7b13Expert
69 sharp 1169#11Expert
Major seventh flat ninthM7b9Expert
Minor six-ninem69, -69Expert
Major thirteenthmaj13, Maj13, ^13Expert
Dominant seventh sharp eleventh flat thirteenth7#11b13, 7b5b13Expert
Major seventh flat fifthM7b5Expert
Dominant thirteenth13Expert
Dominant seventh flat sixth7b6Expert
Major seventh flat sixthM7b6, ^7b6Expert
Minor sharp fifthm#5, -#5, m+Expert
Minor eleventh augmentedm11AExpert
Fourth4, quartalExpert
Dominant seventh flat ninth7b9Expert
Dominant seventh sharp eleventh7#11, 7#4Expert
Major add ninthMadd9, 2, add9, add2Expert
Major ninth sharp fifthmaj9#5, Maj9#5Expert
Dominant seventh sharp ninth7#9Expert
Minor add fourthmadd4Expert
Dominant thirteenth suspended fourth13sus4, 13susExpert
Dominant seventh add sixth7add6, 67, 7add13Expert
Major sharp fourthmaj#4, Δ#4, Δ#11, M7#11, ^7#11, maj7#11Expert
Dominant seventh sharp ninth sharp eleventh7#9#11, 7b5#9, 7#9b5Expert
Dominant ninth sharp eleventh flat thirteenth9#11b13, 9b5b13Expert
Major thirteenth sharp eleventhM13#11, maj13#11, M13+4, M13#4Expert
Seventh suspension four7sus4, 7susExpert
Dominant thirteenth sharp eleventh13#11, 13+4, 13#4Expert
Minor thirteenthm13, -13Expert
Major ninth sharp eleventhmaj9#11, Δ9#11, ^9#11Expert
Dominant thirteenth sharp ninth13#9Expert
Dominant seventh flat ninth sharp eleventh7b9#11, 7b5b9, 7b9b5Expert
Diminished seventh major seventho7M7Expert
Dominant seventh sharp fifth sharp ninth7#5#9, 7#9#5, 7altExpert
Dominant seventh sharp fifth flat ninth7#5b9, 7b9#5Expert
Dominant thirteenth flat fifth13b5Expert
Dominant thirteenth flat ninth13b9Expert
Major seventh add thirteenthM7add13Expert
Augmented add sharp ninth+add#9Expert
Major seventh sharp fifthmaj7#5, maj7+5, +maj7, ^7#5Expert
Dominant seventh sharp fifth suspended fourth7#5sus4Expert
Major seventh sharp ninth sharp eleventhmaj7#9#11Expert
Dominant eleventh flat ninth11b9Expert
Diminished major seventhoM7Expert
Minor seventh sharp fifthm7#5Expert
Dominant seventh flat fifth7b5Guru
Dominant thirteenth sharp ninth sharp eleventh13#9#11Guru
Dominant thirteenth flat ninth sharp eleventh13b9#11Guru
Minor major ninthmM9, mMaj9, -^9Guru
Dominant seventh sharp fifth7#5, +7, 7+, 7aug, aug7Guru
Dominant seventh sharp ninth flat thirteenth7#9b13Guru
Major flat fifthMb5Guru
Dominant seventh sharp fifth flat ninth sharp eleventh7#5b9#11Guru
Dominant seventh flat ninth flat thirteenth7b9b13Guru
Minor flat sixth flat ninthmb6b9Guru
Dominant seventh flat ninth sharp ninth7b9#9Guru
Major add flat ninthMaddb9Guru
Dominant seventh sharp ninth sharp eleventh flat thirteenth7#9#11b13Guru
Major sharp fifth add ninthM#5add9, +add9Guru
Dominant seventh flat ninth flat thirteenth sharp eleventh7b9b13#11, 7b9#11b13, 7b5b9b13Guru
Dominant seventh suspended fourth flat ninth flat thirteenth7sus4b9b13, 7b9b13sus4Guru
Major seventh sharp fifth suspended fourthM7#5sus4Guru
Major ninth sharp fifth suspended fourthM9#5sus4Guru
suspended fourth flat ninthb9sus, phryg, 7b9sus, 7b9sus4Guru
Minor major seventh flat sixthmMaj7b6Guru
Minor major ninth flat sixthmMaj9b6Guru
Minor flat sixth major seventhmb6M7Guru

Chord library for practical music theory and harmony

Use this chord library to study chord formulas, chord quality, inversions, extensions, and common aliases in every key. Each chord page helps you understand the intervals and notes inside the chord so you can apply harmony with confidence.

Start with essential triads and seventh chords, then continue into altered and extended harmony for songwriting, improvisation, and arranging. For a complete workflow, combine this library with the scale libraryand the interval guideto hear how harmony and melody connect in real music.