In this video I am speaking about Ivo Pogorelich (born October 20 1958), who is a Croatian pianist.
Chopin Scherzo No. 3, Op. 39 played by Ivo Pogorelich at the 1980 Chopin competition in Warsaw (the competition that made him famous):
On of his later so called crazy performances, he plays Liszt Mephisto Waltz No. 1 (Part 1):