Étude Op. 10, No. 6, in E-flat minor, is a technical study composed by Frédéric Chopin for solo piano. This étude focuses on enhancing phrasing and melodic structure through difficult passages with many accidentals. The tempo Andante indicates a moderate playing speed. The phrasing and accidentals make this étude musically challenging to play.

Structure
The étude's counterpoint remain constant throughout, with three distinct voices: melody, harmony, and bass. The first voice, melody, presents the melody of the piece. The second voice, harmony, maintains the same rhythmic pattern throughout, a constant wave of sixteenth notes. The third voice is the bass, and grounds each measure into a specific chord.

As a whole, the work is strictly structured into three parts, the first theme, a second theme, and the coda. The first theme is presented in E-flat minor, and passes through a short section in E major, which develops into the second theme. At this point the dynamics have built up to a forte, and the second theme contains the climax of the piece. In the coda, the music returns to the first theme and closes with a Picardy third, in E-flat major.

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