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G DiminishedThe G Diminished chord is a three-note chord made up of G, B♭, and D♭.
Piano chords, scales & theory. Full MIDI.
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Today at the piano
Tuesday, August 11, 2026.
On this day
1904 Jess Stacy, the swing pianist whose solo lifted the 1938 Carnegie Hall jazz concert, was born in Bird’s Point, Missouri.
Term of the day
Minor 6 Pentatonic ScaleThe minor 6 pentatonic scale replaces the flat 7th of the standard minor pentatonic with a natural 6th, producing a five-note scale with a lighter, more melodic minor character.
Did you know
The black keys play the five sharps and flats in each octave, grouped in twos and threes.
Piano by the numbers ›The index
Look anything up directly, in both enharmonic spellings, C♯ and D♭ alike.
ChordsEvery chord type in every key, triads to altered dominantsScalesMajor, minor, pentatonic, blues, bebop and beyondToolsVirtual piano, chord finder, drills, all in the browserTheoryShort articles in teaching order, plus two guided seriesSongsGuides to iconic pieces, and easy songs to start withProgressionsCadences and the progressions behind real musicModesEvery mode, in every keyVoicingsChord shapes and techniques under the hand
Learn and practice
Virtual PianoA keyboard with real sampled sound: mouse, touch, or your computer keys.Play itChord FinderPlay or click any combination of notes and see what chord it makes.Open the toolLearn Piano: the step-by-step pathAn ordered course from your first notes through chords, scales and theory.Follow the pathCircle of FifthsThe interactive wheel: keys, relatives, and how they connect.Explore it