1836 for this specific prelude (assigned by Brown's chronological index). Scholarly sources such as the Fryderyk Chopin Institute (NIFC) give the broader composition range for the piece/cycle as 1831(?)–1839, with the complete Op. 28 cycle finalized in January 1839.

Sonata No. 5

Composed 1907

composed in December 1907 in Lausanne, Switzerland, though brief notebook sketches date back to 1905–1906

Chorale Prelude “Nun komm, der Heiden Heiland”

Composed 1748

IMSLP work page “Nun komm, der Heiden Heiland, BWV 659 (Bach, Johann Sebastian)”: composition field “1748 ca. in {{LinkWorkN|18 Chorale Preludes|BWV 651-668|Bach|Johann Sebastian|0}} (No.9)”; reviewed 2026-08-22.

Polonaise-Fantasie

Composed 1845–1846

1845–1846 (begun/sketched in late 1845 and completed in August 1846; first published later in 1846)

Prelude and Fugue in A-flat Major

Composed 1740

IMSLP work page “Prelude and Fugue in A-flat major, BWV 886 (Bach, Johann Sebastian)”: composition field “1740 ca. in {{LinkWorkN|Das wohltemperierte Klavier II|BWV 870-893|Bach|Johann Sebastian|0}} (No.17)”; reviewed 2026-08-22.

Personal Listening Brief

What a few years of concerts looks like

Built from Justin Wang’s own journal, so you can see it working before you have one. It assembles itself as you read programmes in — there is nothing to set up.

Piano Sonata No. 21 in B-flat major, D. 960

Heard 2 times before

Samuel Xu — Mar 2025, NEC (hall unspecified)
Paul Lewis — Oct 2024, NEC Jordan Hall

This time: Hung-Kuan Chen 陳宏寬

Your own note from that night would appear here. Notes are private — only you can ever read yours.

Listen for

Heard before with Samuel Xu, Paul Lewis. Compare pace, balance, articulation, and the transitions that shape the work.

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