The Turkish twin sisters Ferhan & Ferzan Önder are one of the leading piano duos worldwide. They have played at major festivals inlcuding the Salzburg Festival, the Lucerne Festival, the festivals in Gstaad, Schleswig-Holstein and many more. They have performed in the major houses including Musikverein Vienna, Konzerthaus Vienna, Gewandhaus Leipzig, Wigmore Hall London, Mariinsky St. Petersburg. One of their EMI recordings won them an ECHO. They also have recordings with SONY. Recently they have premiered Fazil Say's Gezi Concerto for Two Pianos and Orchestra which the composer has dedicated to Ferhan and Ferzan.