"Man of War" is a song by the English rock band Radiohead, worked on during the sessions for their third album, OK Computer (1997). It was unreleased until 2017, when it was included on the OK Computer reissue, OK Computer OKNOTOK 1997 2017, and released as a download with a music video on 22 June.

"Man of War" dates to at least 1995, when Radiohead performed it several times on tour. The song had the working title "Big Boots".

Radiohead recorded a version of the track in March 1998 in Abbey Road Studios for the 1998 film The Avengers, but were unsatisfied with the results. Footage of the session appears in the 1998 documentary Meeting People Is Easy. Singer Thom Yorke said of the failed session: “We were so messed up and we went in, tried to do the track, but we just couldn’t do it. It was actually a really difficult period of time. We had a five-week break and all the shit was coming to the surface ... It was a real low point.”

Rolling Stone described "Man of War" as a "crisp mid-tempo ballad" with strings, piano, and "shards of distressed electric guitar". The lyrics are "anxious" and "nerve-wrecking", with the refrain "the worms will come for you".

The "Man of War" music video, directed by Colin Read, alternates from day to night, with the mood shifting from "cheerful to paranoid". It follows a man walking from a park who appears carefree by day but "seems to be hiding something" at night.

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Wikipedia