All just my personal opinion
Andrew Tyson (winner, Concours Géza Anda 2015), Piano recital at ETH Zurich, 2016-02-09 — Domenico Scarlatti: Sonatas K.9, K.322, and K.96; Maurice Ravel: Miroirs; Isaac Albeniz: Iberia, 1st book; Franz Liszt: Rhapsodie espagnole , S.254
(…) stunned by Han-Na Chang’s performance of the Haydn C major concerto (…). That performance dates back some 7 years (2005) — but she had recorded both Haydn concertos already back in 1998, when she was 16; in that YouTube performance, it was amazing to see not only her enormous technical skills, but also her freedom of expression, and how much she has detached herself from technicalities, how much she is totally relaxed and appears to enjoy her own playing while visually communicating with the orchestra…