They appeared in public first at the age of six, and by nine years old they had made their orchestral debut with the Ankara Philharmonic Orchestra. After their education in Paris with Yvonne Loriod and attending the Frankfurter Musikhochschule, the twins were invited by Rudolf Serkin to continue their studies with him at the Curtis Institute of Music in Philadelphia. The sisters completed their musical training at the Juilliard School New York in 1978, having also studied with Claudio Arrau, Leon Fleisher and Adele Marcus.