"Uncharted" is a song written and recorded by the American singer Sara Bareilles. The song was produced by Neal Avron. It was the second single of her album Kaleidoscope Heart.

Bareilles told Billboard magazine that she "...was really worried about stepping into the unknown and I didn't know what to expect the second time around... and that afternoon, I sat down and wrote 'Uncharted'." The album title, 'Kaleidoscope Heart', comes from the lyric of 'Uncharted', "Jump start my kaleidoscope heart, love to watch the colors fade... They may not make sense but they sure as hell made me". Bareilles stated the song to be the starting point of the new record, and this particular lyric saw the end to her writer's block.

Jim Farber of New York Daily News wrote that: "Uncharted, matches jaunty piano figures to a spritz of strings." Megan Vick wrote for Billboard that: "With "Uncharted," Bareilles puts a syncopated two-step beat to a heartbreak anthem as she belts out about being unable to deal with a failed relationship."

On 9 November 2010, official behind-the-scenes photographs were posted to Sara's official site, showing director Laurent Brie, director of previous single 'King of Anything', filming the video. The pictures showed Sara in various outfits, including a Geisha girl costume. However, nothing more was stated about the concept of this video, and it was believed to be scrapped for a new version.

A music video was released on March 1, 2011 featuring artists including Adam Levine and Jesse Carmichael of Maroon 5, Josh Groban, Pharrell Williams of N.E.R.D., Jennifer Nettles of Sugarland, Ben Folds, Ryan Tedder of OneRepublic, Laura Jansen, Ingrid Michaelson, Vanessa Carlton, Tegan and Sara, Cary Brothers, Greg Laswell, Adam Gardner and Ryan Miller from Guster, and Keenan Cahill.

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