Watch this pianist turn hardstyle classics into surprisingly graceful music YouTube pianist HU2Dz has made an hourlong mix of hardstyle classics, all played on the piano without accompaniment. The result is surprisingly graceful. Related Posts: Listen to Steve Aoki’s six-track collaborative hardstyle EP, ‘6OKI – Rave Royale’ Kayzo and Brennan Heart team up for genre-morphing single, ‘Untouchable’