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E flat (E♭) is the note E lowered by one semitone using a flat accidental. On the piano, E flat is played on the black key immediately to the left of E.

What is E flat?

E flat is enharmonically equivalent to D-sharp (D#) in the equal temperament tuning system. Although both notes sound identical on a piano, E flat is written when the harmonic or melodic context requires the note to remain a form of E.

E flat appears in many major and minor keys, including E-flat major and C minor, where correct note spelling is essential for maintaining the structure of the scale.

How is E flat used in piano playing?

E flat is a common note in jazz, blues, classical and popular music. Becoming familiar with its position on the keyboard helps pianists play scales, chords and arpeggios more confidently.

Understanding E flat also improves music reading and strengthens your knowledge of key signatures, harmony and enharmonic spelling.