The 24 preludes of Chopin mix the composer's brilliant keyboard writing with a variety of colors, tones and moods. Acclaimed pianist Martha Argerich plays the Prelude in E Minor, Op. 28, No. 4.

Alexewicz is one of four Polish contestants who have qualified to the second stage. During his performance on Thursday, he played all 24 preludes from Opus 28. Reflecting on how his interpretation of ...