Every chord is just a recipe: start from the root note (0) and count semitone steps (half-tones) upward. By following the interval formulas below, you can build any chord on the piano, Omnichord, or guitar.
Choose a key and tap ▶ to hear the chord. Omnichord OM-108 has these types: Major, Minor, 7, Major7, Minor7, Aug, Dim, Sus4, Add9.
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