"Who Cares?" and "Gone Daddy Gone" are songs performed by Gnarls Barkley and are featured on their debut album, St. Elsewhere. The songs were released on November 6, 2006 as a double A-sided single from that album in the United Kingdom. A week later, on November 13, 2006, the single debuted at No. 60 in the UK Singles Chart. "Gone Daddy Gone" is a cover of the Violent Femmes song. The song peaked at No. 26 on Billboard's Modern Rock Tracks chart, and at No. 35 on Billboard's Adult Top 40 chart. The song "Gone Daddy Gone" is also featured in the soundtrack for the video game Tony Hawk's Project 8, the soundtrack for Forza Motorsport 2 and in the trailer for the Chris Rock film I Think I Love My Wife.

Brian Joseph Burton, known professionally as Danger Mouse, is an American musician and record producer. He came to prominence in 2004 when he released The Grey Album, which combined vocal performances from Jay-Z's The Black Album with instrumentals from the Beatles' The Beatles, also known as The White Album. In 2008, Esquire named him one of the "75 most influential people of the 21st century".