The song, What a Wonderful World, was originally written by Bob Thiele and George David Weiss. The song was then recorded by Louis Armstrong in 1967 and again in the later years.
1987--Good Morning Vietnam
The film, Good Morning Vietnam, is about a radio funny man who is sent to Vietnam to try and bring comedy to the soldiers who are fighting. This movie uses the song, What a Wonderful World, as an overcast song where the scene is showing the hardships and ugliness of the war as a kind of metaphor for how the world wasn't so wonderful during that time period even though America tried to cover that up in various ways including upbeat songs such as this.
The song, What a Wonderful World, was played while the truck full of fish were being released back into the ocean. This song was representing how the fish are being reunited with their "home" and dory with her family, whom she hadn't seen in a while.
Good Morning Vietnam:
What a Wonderful World is a world wide song that is portrayed many different ways with many different meanings. Throughout the years many movies has used this song as on overcast of a scene to show both the hard times and good times.