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One thing that can be said about the Sundance premiere of the experimental crowd-sourced documentary "Life in a Day": It may set a record for most people on the same stage for a Q-and-A.

The YouTube-powered film will have 26 co-directors in attendance at the premiere, Thursday, Jan. 27, at Park City's Eccles Theatre.

The movie is made up of footage submitted by regular people, depicting what was happening in a single day: July 24, 2010. More than 4,500 hours of footage was submitted, from 192 countries. Director Kevin Macdonald ("State of Play," "The Last King of Scotland") and his crew gave co-directing credit to anyone whose footage made the final cut.

The footage from the 26 contributors invited to Park City includes, a press release said, "a Korean man who has been cycling the world for nine years, a young mother battling cancer, and a Russian free-runner making Moscow his playground."

Here are the contributors coming to Park City (some of whom have clips posted on YouTube):

Massoud Hossaini, Kabul, Afghanistan

Cristina Bocchialini and Ayman El Sayed Hassan, Cairo, Egypt

Soma Helmi, Bali, Indonesia

Hiroaki Aikawa and Taiji Aikawa, Tokyo, Japan

Marek Mackovic and Okhwan Yoon, Kathmandu, Nepal

Alberto Rauizo Gonzalez, Cain Abel Tapia Chavez and Aveliro Tapia, Arequipa, Peru

Renat Ardilanov and Alexander Bayturin, Moscow, Russia

Patricia Marinez del Hoyo, Toniu Xou, Virginia Salvado Segu and Araceli Segu Muste, Barcelona, Spain

Boris Grishkevich, Zakarpatska, Ukraine

Harvey Glen, Dubai, United Arab Emirates

Caryn Waechter, New York, N.Y., United States

Christoper Brian Heerdt, Naperville, Ill., United States

David Jacques, Woonsocket, R.I., United States

Betsy DelValley, Urbana, Ill., United States

Bob Liginski Jr., Bobby Liginski III and Catherine Anne Liginsky, Grayslake, Ill., United States