Lim Yunchan, the youngest winner ever to win the Van Cliburn International Piano Competition, unveiled a single of Chopin’s Op.10 No.3 "Tristesse" earlier this week, offering a sneak peek at his first album on the Decca Classical label. His upcoming album, titled “Chopin: Etudes,” will be released April 19, according to Universal Music Group, Decca’s parent company. The pianist signe...