While the trailer contains some nice shots on a visual level, very much in keeping with the Lord of the Rings trilogy, about 80% of the trailer's awesome is provided by the song. Pippin's mournful song from Return of the King, that plays intercut with the doomed mission that Faramir leads on his father Denethor's orders, accompanies this trailer to great effect, lending it a dignified, elegiac beauty. It's a sad song, but sad is just happy for deep people...”
[More analysis at the link, including parallels with Firefly and Star Wars]"
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