セルジュ・チェリビダッケ
In the following 10 years, Sombart worked with Sergiu Celibidache at the University of Mayence. In 1998 she founded Fondation Résonnance, subsequently established in several countries, which offers free classical music education. From 2011, she taught at Conservatoire Rachmaninoff. In 2015, she played with the Royal Philharmonic Orchestra in London, UK.