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 sharp

Piano voicing of chord C Major - 0
C sharp Major
Major triad (1-3-5); stable tonic color and foundation of tonal harmony.
Guitar voicing #1 of the C Minor chord
C sharp Minor
Minor triad (1–♭3–5); stable minor color, relative to major by lowering the third.
Piano voicing of chord C Minor seventh - 1
C sharp 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
C sharp Major seventh
Major seventh (1–3–5–7); stable major color with leading-tone pull to the octave.
Sheet music of C Augmented in three octaves (3)
C sharp Augmented
Augmented triad (1–3–♯5); symmetric stacks and whole-tone color.
Sheet music of C Fifth in three octaves (3)
C sharp Fifth
Fifth chord (1–5); raw, thunderous sound, perfectly neutral toward major/minor due to the complete absence of the third.
Aliases
Actions
C sharp MajorM, ^, , majBeginner
C sharp Minorm, min, -Beginner
C sharp Fifth5Beginner
C sharp Suspended fourthsus4, susBeginner
C sharp Diminisheddim, °, oBeginner
C sharp Major seventhmaj7, Δ, ma7, M7, Maj7, ^7Easy
C sharp Minor seventhm7, min7, mi7, -7Easy
C sharp Dominant seventh7, domEasy
C sharp Augmentedaug, +, +5, ^#5Easy
C sharp Suspended secondsus2Easy
C sharp Minor seventh flat fifthm7b5, ø, -7b5, h7, hEasy
C sharp Major sixth6, add6, add13, M6Easy
C sharp Minor sixthm6, -6Easy
C sharp Dominant ninth9Easy
C sharp Diminished seventhdim7, °7, o7Easy
C sharp Suspended second and fourthsus24, sus4add9Easy
C sharp Dominant ninth suspended fourth9sus4, 9susEasy
C sharp Altered seventhalt7Easy
C sharp Minor ninthm9, -9Easy
C sharp Minor add ninthmadd9Easy
C sharp Minor major seventhm/ma7, m/maj7, mM7, mMaj7, m/M7, -Δ7, mΔ, -^7, -maj7Intermediate
C sharp Major ninthmaj9, Δ9, ^9Intermediate
C sharp Dominant ninth sharp eleventh9#11, 9+4, 9#4Intermediate
C sharp Minor seventh add eleventhm7add11, m7add4Intermediate
C sharp Dominant ninth flat fifth9b5Intermediate
C sharp Major seventh suspended fourthM7sus4Intermediate
C sharp Major ninth suspended fourthM9sus4Intermediate
C sharp Major ninth flat fifthM9b5Intermediate
C sharp Minor ninth flat fifthm9b5Intermediate
C sharp Dominant seventh no fifth7no5Intermediate
C sharp Dominant eleventh11Intermediate
C sharp Ninth no fifth9no5Intermediate
C sharp Dominant ninth sharp fifth9#5, 9+Intermediate
C sharp Minor ninth sharp fifthm9#5Intermediate
C sharp Dominant thirteenth no fifth13no5Intermediate
C sharp Dominant ninth sharp fifth sharp eleventh9#5#11Intermediate
C sharp Sixth add ninth6add9, 6/9, 69, M69Intermediate
C sharp Major sixth sharp eleventhM6#11, M6b5, 6#11, 6b5Intermediate
C sharp Dominant ninth flat thirteenth9b13Intermediate
C sharp Minor eleventhm11, -11Intermediate
C sharp Dominant seventh flat thirteenth7b13Expert
C sharp 69 sharp 1169#11Expert
C sharp Major seventh flat ninthM7b9Expert
C sharp Minor six-ninem69, -69Expert
C sharp Major thirteenthmaj13, Maj13, ^13Expert
C sharp Dominant seventh sharp eleventh flat thirteenth7#11b13, 7b5b13Expert
C sharp Major seventh flat fifthM7b5Expert
C sharp Dominant thirteenth13Expert
C sharp Dominant seventh flat sixth7b6Expert
C sharp Major seventh flat sixthM7b6, ^7b6Expert
C sharp Minor sharp fifthm#5, -#5, m+Expert
C sharp Minor eleventh augmentedm11AExpert
C sharp Fourth4, quartalExpert
C sharp Dominant seventh flat ninth7b9Expert
C sharp Dominant seventh sharp eleventh7#11, 7#4Expert
C sharp Major add ninthMadd9, 2, add9, add2Expert
C sharp Major ninth sharp fifthmaj9#5, Maj9#5Expert
C sharp Dominant seventh sharp ninth7#9Expert
C sharp Minor add fourthmadd4Expert
C sharp Dominant thirteenth suspended fourth13sus4, 13susExpert
C sharp Dominant seventh add sixth7add6, 67, 7add13Expert
C sharp Major sharp fourthmaj#4, Δ#4, Δ#11, M7#11, ^7#11, maj7#11Expert
C sharp Dominant seventh sharp ninth sharp eleventh7#9#11, 7b5#9, 7#9b5Expert
C sharp Dominant ninth sharp eleventh flat thirteenth9#11b13, 9b5b13Expert
C sharp Major thirteenth sharp eleventhM13#11, maj13#11, M13+4, M13#4Expert
C sharp Seventh suspension four7sus4, 7susExpert
C sharp Dominant thirteenth sharp eleventh13#11, 13+4, 13#4Expert
C sharp Minor thirteenthm13, -13Expert
C sharp Major ninth sharp eleventhmaj9#11, Δ9#11, ^9#11Expert
C sharp Dominant thirteenth sharp ninth13#9Expert
C sharp Dominant seventh flat ninth sharp eleventh7b9#11, 7b5b9, 7b9b5Expert
C sharp Diminished seventh major seventho7M7Expert
C sharp Dominant seventh sharp fifth sharp ninth7#5#9, 7#9#5, 7altExpert
C sharp Dominant seventh sharp fifth flat ninth7#5b9, 7b9#5Expert
C sharp Dominant thirteenth flat fifth13b5Expert
C sharp Dominant thirteenth flat ninth13b9Expert
C sharp Major seventh add thirteenthM7add13Expert
C sharp Augmented add sharp ninth+add#9Expert
C sharp Major seventh sharp fifthmaj7#5, maj7+5, +maj7, ^7#5Expert
C sharp Dominant seventh sharp fifth suspended fourth7#5sus4Expert
C sharp Major seventh sharp ninth sharp eleventhmaj7#9#11Expert
C sharp Dominant eleventh flat ninth11b9Expert
C sharp Diminished major seventhoM7Expert
C sharp Minor seventh sharp fifthm7#5Expert
C sharp Dominant seventh flat fifth7b5Guru
C sharp Dominant thirteenth sharp ninth sharp eleventh13#9#11Guru
C sharp Dominant thirteenth flat ninth sharp eleventh13b9#11Guru
C sharp Minor major ninthmM9, mMaj9, -^9Guru
C sharp Dominant seventh sharp fifth7#5, +7, 7+, 7aug, aug7Guru
C sharp Dominant seventh sharp ninth flat thirteenth7#9b13Guru
C sharp Major flat fifthMb5Guru
C sharp Dominant seventh sharp fifth flat ninth sharp eleventh7#5b9#11Guru
C sharp Dominant seventh flat ninth flat thirteenth7b9b13Guru
C sharp Minor flat sixth flat ninthmb6b9Guru
C sharp Dominant seventh flat ninth sharp ninth7b9#9Guru
C sharp Major add flat ninthMaddb9Guru
C sharp Dominant seventh sharp ninth sharp eleventh flat thirteenth7#9#11b13Guru
C sharp Major sharp fifth add ninthM#5add9, +add9Guru
C sharp Dominant seventh flat ninth flat thirteenth sharp eleventh7b9b13#11, 7b9#11b13, 7b5b9b13Guru
C sharp Dominant seventh suspended fourth flat ninth flat thirteenth7sus4b9b13, 7b9b13sus4Guru
C sharp Major seventh sharp fifth suspended fourthM7#5sus4Guru
C sharp Major ninth sharp fifth suspended fourthM9#5sus4Guru
C sharp suspended fourth flat ninthb9sus, phryg, 7b9sus, 7b9sus4Guru
C sharp Minor major seventh flat sixthmMaj7b6Guru
C sharp Minor major ninth flat sixthmMaj9b6Guru
C sharp 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.