It's All True (1942)
In 1942, Orson Welles, at the request of Nelson Rockefeller, went to Brazil to film a documentary for the United States government and RKO Studios, which was supposed to encourage cooperation and understanding between the people of Brazil and the United States. What happened next was one of the great cinematic disasters of all time. When management changed at RKO, the studio cut off funding for Welles's efforts, and proceeded to destroy both the director's vision for The Magnificent Ambersons (1942) and his reputation in America.
The documentary, It's All True, was never finished.
There must be a poem, and a hummingbird, in there somewhere.