Harry Gregson-Williams has recently recorded music for the upcoming documentary Life in a Day. The film was shot by filmmakers all over the world that serves as a time capsule to show future generations what it was like to be alive on the 24th of July, 2010. Around 4,500 hours were shot, having been sent in from 192 countries. The movie is directed by Kevin Macdonald who helmed the Award-winning docs One Day in September and Touching the Void, as well as the features The Last King of Scotland, State of Play and the upcoming The Eagle. Life in a Day also features music and sounds by Matthew Herbert who has been working on the documentary for quite some time (check out this YouTube video for more information on his role). No information has been given yet on the extent of Gregson-Williams’ involvement. The movie is produced by Ridley Scott, who worked with the composer on 2005’s Kingdom of Heaven. The ambitious documentary will have its premiere as a live stream on YouTube on January 27, 2011 at 5:00pm PST and will also be shown at this year’s Sundance Film Festival. To watch a teaser trailer and find out more about the project, visit the Life in a Day YouTube page.