Uploaded August 2007 | Updated September 2026, 1 hour ago

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A time lapse video of our Mp3 Experiment Four, filmed from a condo rooftop. 826 people listening to the same mp3 and following instructions.
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Music by Tyler Walker
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This is one of over 100 different missions Improv Everywhere has executed since 2001 in New York City. Others include Frozen Grand Central, the Food Court Musical, and the famous No Pants Subway Ride, to name a few. Visit the website to see tons of photos and video of all of our work, including behind the scenes information on how this video was made.

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