"Little Know It All" is a song composed by pop-punk band Sum 41

Sum 41

Sum 41 is a Canadian rock band from Ajax, Ontario. The band was formed in 1996 and currently consists of members Deryck Whibley , Tom Thacker , Jason McCaslin and Steve Jocz .In 1999, the band signed an international record deal with Island Records...

 for their performance with Iggy Pop

Iggy Pop

Iggy Pop is an American singer, songwriter, musician, and actor. Though considered an innovator of punk rock, Pop's music has encompassed a number of styles over the years, including pop, metal, jazz and blues...

 on the album Skull Ring. This song was released as a single from the album. The song was performed live with Sum 41 on Letterman. This track made an appearance in the EA Sports

EA Sports

EA Sports is a brand of Electronic Arts that creates and develops sports video games. Formerly a marketing gimmick of Electronic Arts, in which they tried to mimic real-life sports networks by calling themselves "EA Sports Network" with pictures or endorsements of real commentators such as John...

 video game NASCAR Thunder 2004

NASCAR Thunder 2004

NASCAR Thunder 2004 is a racing simulator by EA Sports, released in 2003 and available in separate versions for PlayStation, PlayStation 2, Xbox, and PC. It features the 2002 champion Tony Stewart on the cover with a scowling look to represent the new Grudges and Alliances feature. It was the only...

Video

The single has two videos, one for America directed by Mike Piscitelli and one for Europe directed by Arni & Kinski. In the American version of the video Sum 41 is performing with Iggy Pop in the Miami pub, Churchill's.