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

Piano voicing of chord C Major - 0
C Major
Major triad (1-3-5); stable tonic color and foundation of tonal harmony.
Guitar voicing #1 of the C Minor chord
C Minor
Minor triad (1–♭3–5); stable minor color, relative to major by lowering the third.
Guitar voicing #4 of the C Minor seventh chord
C 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 #1 of the C Major seventh chord
C 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 Augmented
Augmented triad (1–3–♯5); symmetric stacks and whole-tone color.
Sheet music of C Fifth in three octaves (3)
C Fifth
Fifth chord (1–5); raw, thunderous sound, perfectly neutral toward major/minor due to the complete absence of the third.
Aliases
Actions
C Augmentedaug, +, +5, ^#5Beginner
C Minor eleventh augmentedm11AIntermediate
C Augmented add sharp ninth+add#9Expert

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.