Nocturne in E♭ major

Chopin published his Op. 9 Nocturnes in 1832, dedicated to Marie Pleyel, and the second of the set is the most famous of all his nocturnes — a piece so widely-played that it has shaped the public imagination of what a nocturne sounds like. The genre name comes from John Field, the Irish composer Chopin admired and explicitly emulated, but Chopin's mature treatment of the form went far beyond Field's models.

Technically the piece tests three Grade 6 priorities: a sustained cantabile melodic line in the right hand with extensive ornamental variation across each return, a steady left-hand wide-spaced arpeggio that supports the melody without weighing it down, and pedalling sensitive enough to clarify the harmonic shifts under the long melodic phrases. Hand position expands well beyond a five-finger frame; the right-hand ornaments need careful fingering.

Two pitfalls. First, the famous melody is often played at one volume from start to finish; Chopin's writing has a clear arc with a small lift at the central climax, and ignoring it flattens the piece. Second, the ornamental variations on each return are decorative but they must be voiced — the underlying melodic line must remain audible through the ornament, not buried by it.

The complete Op. 9 is on IMSLP in clean public-domain editions including Chopin's autograph. Hearing the surrounding nocturnes calibrates the right Romantic poise; the first nocturne in B♭ minor makes a complete statement with the second.