I understand, that during the Second World War, the BBC used to come on, presaged by the sounds of the Fifth Sympony. "V for Victory"...there were messages, to the underground. Apparently, even during the war, there were "Good Germans."
I am familiar with this fellow, as a composer for Hollywood. I saw his name on various screen credits AND classical music radiocast programming…and the above hyperlink tells me that he escaped the “anschluss” by coming back to Hollywood to compose “a score for the new (and very expensive) film The Adventures of Robin Hood starring Errol Flynn.”