Learn music theory with Sonid

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

Aliases
Actions
C MajorM, ^, , majBeginner
C Dominant ninth9Beginner
C Minorm, min, -Beginner
C Augmentedaug, +, +5, ^#5Beginner
C Major seventhmaj7, Δ, ma7, M7, Maj7, ^7Beginner
C Minor seventhm7, min7, mi7, -7Beginner
C Fifth5Beginner
C Dominant seventh7, domBeginner
C Altered seventhalt7Easy
C Diminisheddim, °, oEasy
C Dominant ninth sharp eleventh9#11, 9+4, 9#4Easy
C Major sixth6, add6, add13, M6Easy
C Minor major seventhm/ma7, m/maj7, mM7, mMaj7, m/M7, -Δ7, mΔ, -^7, -maj7Easy
C Minor sixthm6, -6Easy
C Major ninthmaj9, Δ9, ^9Easy
C Minor seventh add eleventhm7add11, m7add4Easy
C Minor seventh flat fifthm7b5, ø, -7b5, h7, hEasy
C Minor ninthm9, -9Easy
C Dominant ninth flat fifth9b5Easy
C Minor add ninthmadd9Easy
C Dominant ninth suspended fourth9sus4, 9susEasy
C Major seventh suspended fourthM7sus4Easy
C Major ninth suspended fourthM9sus4Easy
C Major ninth flat fifthM9b5Easy
C Minor ninth flat fifthm9b5Easy
C Dominant eleventh11Easy
C Dominant thirteenth no fifth13no5Easy
C Sixth add ninth6add9, 6/9, 69, M69Easy
C Diminished seventhdim7, °7, o7Easy
C Minor eleventhm11, -11Easy
C Major thirteenthmaj13, Maj13, ^13Easy
C Dominant seventh no fifth7no5Intermediate
C Dominant ninth sharp fifth9#5, 9+Intermediate
C Dominant ninth sharp fifth sharp eleventh9#5#11Intermediate
C Ninth no fifth9no5Intermediate
C Major sixth sharp eleventhM6#11, M6b5, 6#11, 6b5Intermediate
C Minor ninth sharp fifthm9#5Intermediate
C Dominant thirteenth13Intermediate
C Major seventh flat fifthM7b5Intermediate
C Major add ninthMadd9, 2, add9, add2Intermediate
C Major ninth sharp fifthmaj9#5, Maj9#5Intermediate
C Dominant seventh flat sixth7b6Intermediate
C Major seventh flat sixthM7b6, ^7b6Intermediate
C Minor sharp fifthm#5, -#5, m+Intermediate
C Dominant seventh sharp eleventh7#11, 7#4Intermediate
C Dominant seventh flat ninth7b9Intermediate
C Major sharp fourthmaj#4, Δ#4, Δ#11, M7#11, ^7#11, maj7#11Intermediate
C Minor add fourthmadd4Intermediate
C Dominant ninth flat thirteenth9b13Intermediate
C Fourth4, quartalIntermediate
C 69 sharp 1169#11Intermediate
C Dominant seventh sharp eleventh flat thirteenth7#11b13, 7b5b13Intermediate
C Dominant seventh flat thirteenth7b13Intermediate
C Major seventh flat ninthM7b9Intermediate
C Minor six-ninem69, -69Intermediate
C Minor eleventh augmentedm11AIntermediate
C Dominant ninth sharp eleventh flat thirteenth9#11b13, 9b5b13Expert
C Dominant thirteenth suspended fourth13sus4, 13susExpert
C Dominant seventh sharp ninth7#9Expert
C Dominant seventh add sixth7add6, 67, 7add13Expert
C Major thirteenth sharp eleventhM13#11, maj13#11, M13+4, M13#4Expert
C Dominant seventh sharp ninth sharp eleventh7#9#11, 7b5#9, 7#9b5Expert
C Minor thirteenthm13, -13Expert
C Augmented add sharp ninth+add#9Expert
C Seventh suspension four7sus4, 7susExpert
C Major ninth sharp eleventhmaj9#11, Δ9#11, ^9#11Expert
C Dominant thirteenth sharp ninth13#9Expert
C Dominant seventh flat ninth sharp eleventh7b9#11, 7b5b9, 7b9b5Expert
C Dominant thirteenth sharp eleventh13#11, 13+4, 13#4Expert
C Dominant seventh sharp fifth sharp ninth7#5#9, 7#9#5, 7altExpert
C Dominant seventh sharp fifth flat ninth7#5b9, 7b9#5Expert
C Dominant thirteenth flat fifth13b5Expert
C Dominant thirteenth flat ninth13b9Expert
C Dominant seventh sharp fifth suspended fourth7#5sus4Expert
C Major seventh add thirteenthM7add13Expert
C Major seventh sharp fifthmaj7#5, maj7+5, +maj7, ^7#5Expert
C Major seventh sharp ninth sharp eleventhmaj7#9#11Expert
C Dominant eleventh flat ninth11b9Expert
C Dominant seventh flat fifth7b5Expert
C Minor seventh sharp fifthm7#5Expert
C Dominant thirteenth sharp ninth sharp eleventh13#9#11Guru
C Dominant thirteenth flat ninth sharp eleventh13b9#11Guru
C Dominant seventh sharp fifth7#5, +7, 7+, 7aug, aug7Guru
C Minor major ninthmM9, mMaj9, -^9Guru
C Dominant seventh sharp ninth flat thirteenth7#9b13Guru
C Dominant seventh sharp fifth flat ninth sharp eleventh7#5b9#11Guru
C Major flat fifthMb5Guru
C Dominant seventh sharp ninth sharp eleventh flat thirteenth7#9#11b13Guru
C Dominant seventh flat ninth sharp ninth7b9#9Guru
C Dominant seventh flat ninth flat thirteenth7b9b13Guru
C Major add flat ninthMaddb9Guru
C Dominant seventh flat ninth flat thirteenth sharp eleventh7b9b13#11, 7b9#11b13, 7b5b9b13Guru
C Dominant seventh suspended fourth flat ninth flat thirteenth7sus4b9b13, 7b9b13sus4Guru
C Major sharp fifth add ninthM#5add9, +add9Guru
C Major seventh sharp fifth suspended fourthM7#5sus4Guru
C Major ninth sharp fifth suspended fourthM9#5sus4Guru
C suspended fourth flat ninthb9sus, phryg, 7b9sus, 7b9sus4Guru
C Minor major seventh flat sixthmMaj7b6Guru
C Minor major ninth flat sixthmMaj9b6Guru
C 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.