<prompt> Qedela umusho olandelayo:  <response>: Winter War, uHaitto wabamba iqhaza ohambweni lwamakhonsathi weRed Cross owavakashela ne-United States ukuze kuzuze iFinland. UHaitto wadlala eCarnegie Hall noSir John Barbirolli, phakathi kwezinye izindawo, futhi wavela kwifilimu yango-1941 ethi The Hard-Boiled Canary. Ngo-1942 uHaitto noSirpo bahlala ePortland, e-Oregon, futhi uHaitto wafunda no-Ivan Galamian ngo-1943-1945. UHaitto wayedume ngobuciko bakhe: wayedlala izingoma zikaNiccolò Paganini ngendlela engenaphutha, futhi wayethanda umculo kaJ. S. Bach. 