Who is a Polish politician that was also famous for performing Piano Concerto No. 4 by Anton Rubinstein?
Ignacy Jan Paderewski Ignacy Jan Paderewski, GBE (] ; 18 November [O.S. 6 November] 1860  – 29 June 1941) was a Polish pianist and composer, politician and spokesman for Polish independence. He was a favorite of concert audiences around the world. His musical fame opened access to diplomacy and the media.
Adam Bielan Adam Jerzy Bielan ( , born on 12 September 1974 in Gdańsk, Poland) is a Polish politician, member and deputy speaker of Senate of Poland. He was also Member of the European Parliament for Lesser Poland and Świętokrzyskie with Poland Together as a Vice-Chairman of the European Conservatives and Reformists political grouping.