Andante spianato op. 22
This image appears in the gallery:
Lang Lang: The Chopin Album - an album guide

16. Andante spianato op. 22
This quietly rippling piano piece wasn't originally part of Chopin's Op. 22. He completed the music in 1834 and added it to the start of the Grande polonaise brillante, joining the two parts with a fanfare-like sequence.