"I Know" is the third and final single from Jay-Z

Jay-Z

Shawn Corey Carter , better known by his stage name Jay-Z, is an American rapper, record producer, entrepreneur, and occasional actor. He is one of the most financially successful hip hop artists and entrepreneurs in America, having a net worth of over $450 million as of 2010...

's tenth studio album

Studio album

A studio album is an album made up of tracks recorded in the controlled environment of a recording studio. A studio album contains newly written and recorded or previously unreleased or remixed material, distinguishing itself from a compilation or reissue album of previously recorded material, or...

, American Gangster

American Gangster (album)

American Gangster is the tenth studio album by American rapper Jay-Z, released November 6, 2007 on Roc-A-Fella Records. It is Jay-Z's last studio release for the Def Jam and Roc-A-Fella Records label and his first concept album, which was inspired by the film of the same name. The album features...

. The song was released on November 4, 2007. Pharrell is featured in the song.

Music video

The music video was leaked to the internet on Yahoo! Music

Yahoo! Music

Yahoo! Music, owned by Yahoo!, is the provider of a variety of music services, including Internet radio, music videos, news, artist information, and original programming...

 on January 28, 2008. It premiered on Yahoo! on February 26, 2008.

The video (directed by Philip Andelman) features Zoë Kravitz

Zoe Kravitz

Zoë Isabella Kravitz is an American actress, singer and model. She is the daughter of musician Lenny Kravitz and actress Lisa Bonet. She has appeared in the films The Brave One with Jodie Foster, and No Reservations with Catherine Zeta-Jones...

 playing multiple roles. The director described it as "a surreal, daydream-like blending of four separate and unrelated stories, four unique trips taken on by four girls in one night in New York City."

Each girl experiences a different "high" -- one, a seemingly well-to-do young woman, appears under the influence while in her apartment, another experiences the joy of love, another is taken with the beauty of the night sky in New York City to the confusion of her friends, and finally, the last young woman becomes "high" through music while at a night club.

This is Jay-Z's second music video in which he does not appear at all, counting the music video for "Wishing on a Star" (1998), which was only released in the U.K.

Charts

Chart (2008)	Peak position
U.S. Billboard Billboard (magazine) Billboard is a weekly American magazine devoted to the music industry, and is one of the oldest trade magazines in the world. It maintains several internationally recognized music charts that track the most popular songs and albums in various categories on a weekly basis...  Bubbling Under Hot 100 Singles Bubbling Under Hot 100 Singles The Bubbling Under Hot 100 Singles is a chart published weekly by Billboard magazine in the United States. It lists the top 25 singles below number 100 that have not yet charted on the Billboard Hot 100. Sometimes, however, singles halt their progress on this chart, and never appear on the Hot 100...	18
U.S. Billboard Hot R&B/Hip-Hop Songs Hot R&B/Hip-Hop Songs Hot R&B/Hip-Hop Songs, is a chart released weekly by Billboard in the United States.The chart, initiated in 1942, is used to track the success of popular music songs in urban, or primarily African American, venues. Dominated over the years at various times by jazz, rhythm and blues, doo-wop, soul,...	26
U.S. Billboard Hot Rap Tracks Hot Rap Tracks Rap Songs is a chart released weekly by Billboard in the United States. It lists the 25 most popular hip-hop/rap songs, calculated weekly by airplay on rhythmic and urban radio stations and sales in hip hop-focused or exclusive markets. From 1989 through 2001, it was based on how much the single...	11