Finger-breaking Bartók
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Lang Lang and Simon Rattle: Prokofiev 3 & Bartók 2 - an album guide

10. Finger-breaking Bartók
Renowned for its extreme complexity, pianists the world over have struggled with Bartók's concerto. András Schiff described it as a "finger-breaking piece", and Stephen Kovacevich declared it to be the most technically demanding piece he'd ever performed.