​Katsaris was born in Marseilles, France. Katsaris first began to play the piano when he was four, in Cameroon where he grew up. His first teacher was Marie-Gabrielle Louwerse. He studied piano at the Paris Conservatoire with Aline van Barentzen and Monique de la Bruchollerie, who had been a pupil of Emil von Sauer – one of Franz Liszt's favourite ...

​Argerich was born in Buenos Aires, Argentina. Her paternal ancestors were Catalonians based in Buenos Aires since the 18th century. Her maternal grandparents were Jewish immigrants from the Russian Empire, who settled in Colonia Villa Clara in the Entre Ríos province—one of the colonies established by Baron de Hirsch and the Jewish Colonizati...