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Chopin’s Nocturne No. 7, in C-sharp minor, begins with a low, ashen sound: a prowling arpeggio in the left hand, consisting only of C-sharps and G-sharps. It’s a hollowed-out harmony, in limbo ...

In this extract from a 1980 Sony recording, Polish-Jewish pianist and classical composer Wladyslaw Szpilman plays Chopin's Nocturne in C Sharp Minor. Chopin's heart, preserved in alcohol for more ...