Original sentence: He became soloist of the Orchestre de la Suisse Romande in Geneva from 1944 to 1946, then in Lausanne until 1957, when Herbert von Karajan offered him a solo violin position at the Berlin Philharmonic
Edited sentence: He became soloist of the Orchestre de la Suisse Romande in Geneva from 1944 to 1946, then in Lausanne until 1957, when Herbert Karajan offered him a solo violin position at the Berlin Philharmonic