American pianist Garrick Ohlsson plays during the rehearsal for the Special Concert on the 200th Anniversary of Fryderyk Chopin's Birth at Warsaw Philharmonic February 25, 2010. Poland is celebrating the 200th birthday of one of its most famous sons, composer Chopin, with a week-long marathon of recitals of his music, a commemorative bank note and a new state-of-the-art museum. REUTERS/Kacper Pempel (POLAND - Tags: ANNIVERSARY ENTERTAINMENT SOCIETY)