The greatest achievement of Walter Murch is the sound he used for the helicopters, which were recorded at a Coast Guard station in Washington and still use in films today, more than being perfectly accurate he managed to give them a …show more content…
It mostly consisted on a TV trailer shown on most American network and a few previous screening with journalist in the weeks before the film release, most of the previews showed that the viewers did not understand the ending of the movie, which therefore was modified into the one we know now, but mostly the movie was advertised around Marlon Brando. Coppola who owned the right for the movie outside USA (United artist only owned the domestic rights) was offered to show the movie in completion at Cannes Festival, an opportunity he only accepted in mid-April 1979, less than a month before the beginning of the festival. As the movie was still in post-production, the version showed was an unfinished version. Most advertisement of the film came through the fact that it won the Palme d’Or at Cannes