Fox music department, also scored this picture. It is  not readily known who decided to incorporate genuine Soviet music  for the film, but Newmans score featured compositions by the USSRs  finest: Shostakovich, Prokofiev, Khatchaturian, and Miaskovsky. All  four composers signed (or were ordered to sign) a letter of protest  that claimed their music was appropriated via a "swindle" in order  to accompany this "outrageous picture". No individuals were named,  except "the agents of the American Twentieth Century