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A piano reference: chords, scales, theory. Full MIDI.

Piano chords, scales & theory. Full MIDI.

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Today at the piano

Wednesday, August 26, 2026.

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D♭ Minor 11th

The D♭ Minor 11th chord is a six-note chord made up of D♭, F♭, A♭, C♭, E♭, and G♭.

On this day

1923 Wolfgang Sawallisch, a conductor and pianist noted as a lieder accompanist, was born in Munich.

Did you know

The piano’s 88-key range covers just over seven octaves, from the lowest A to the highest C.

Piano by the numbers ›
Popular right nowA MinorG Dominant 7thC Dominant 7thF♯ MajorD Dominant 7thD Minor / G

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 musicNotesAll 88 keys named, A0 to C8, with frequency and enharmonicsVoicingsChord shapes and techniques under the handModesEvery mode, in every key

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