<prompt> Pedzisa mutsara unotevera:  <response>: Winter War, Haitto akapinda muRed Cross concert tour iyo yakashanyirawo United States kuitira rubatsiro rweFinland. Haitto akaridza muCarnegie Hall naSir John Barbirolli, pakati pezvimwe zviitiko, uye akaonekwa mufirimu ra1941 The Hard-Boiled Canary. Muna 1942 Haitto naSirpo vakagara muPortland, Oregon, uye Haitto akadzidza naIvan Galamian muna 1943-1945. Haitto aizivikanwa nokuda kwouchenjeri hwake: airidza nziyo dzaNiccolò Paganini nenzira isina mhaka, uye aida nziyo dzaJ. S. Bach. 