Terry Gilliam will direct the live webcast of Arcade Fire's  concert at New York City's Madison Square Garden.
The Arcade Fire show kicks off "Unstaged," a new online concert series being launched by American Express and streamed on YouTube. The Montreal-based band will live stream their Aug. 5 concert at 10 p.m. EDT, the second of two shows at MSG.
Gilliam, whose films include "Brazil" and "12 Monkeys," last released "The Imaginarium of Dr. Parnassus" in December.
The concert will stream on the Google Inc.-owned YouTube via Vevo, the music video site owned by Universal Music Group, Sony Music Entertainment and Abu Dhabi Media Co.
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