Jamie Smith (known by the stage name Jamie xx) is an English music producer and remix artist, who gained fame both as solo act and as a member of the London-based band The xx.

Smith's musical career began in 2007 when he joined The xx accompanying old school friends Romy Madley Croft, Oliver Sim, Baria Qureshi of the Elliott School in London, notable for alumni including Hot Chip, Burial and Four Tet. He first used the stage name Jamie xx in July 2009 in a promotional mix for the band's début album xx released on the FACT mix series of the FACT Magazine. The mixtape was compiled by Jamie Smith and featured amongst others four tracks credited to Jamie xx - one own production and three remixes. The xx album went on to become platinum in the UK. Afterward, Jamie Smith went on to do more remix work for artists like Florence + The Machine, Adele, Jack Peñate and Glasser.

In late 2010, a Jamie xx remix of the song "NY Is Killing Me" from Gil Scott-Heron's last album I'm New Here aired on radio stations across the UK and Europe. The remix of "I'll Take Care Of U" followed in January 2011. Both singles drew the attention of the general public and the critics. They set the way for a 13-track remix album entitled We're New Here, produced entirely by Jamie xx and credited to "Gil Scott-Heron and Jamie xx". The album was released on February 21, 2011 on the XL Records label, but a full album preview could be streamed on the website of The Guardian as early as February 14.We're New Here received positive critical acclaim and was named "masterpiece in its own right" by BBC's Ele Beattie.

Pierre David Guetta (7 November 1967), known professionally as David Guetta (French pronunciation: [daˌvid ɡɛˈta]), is a French house music producer and DJ. Originally a DJ at nightclubs during the 1980s and 1990s, he co-founded Gum Productions and released his first album, Just a Little More Love, in 2002. Later, he released Guetta Blaster (2004) and Pop Life (2007). His 2009 album One Love included the hit singles "When Love Takes Over" (featuring Kelly Rowland), "Gettin' Over You" (featuring Chris Willis, Fergie & LMFAO) and "Sexy Bitch" (featuring Akon), the last becoming a top five hit in the United States and all three reaching #1 in the United Kingdom, as well as another internationally known single called "Memories" featuring Kid Cudi which became a top five hit in many countries. Guetta has sold over three million albums and 15 million singles worldwide. He is currently one of the most sought-after music producers. As at 2012 David Guetta is the world's most popular DJ, claiming the #1 poll position of the DJ Mag 100 popularity poll.

Selena Marie Gomez (born July 22, 1992) is an American actress and singer best known for portraying Alex Russo in the Emmy Award-winning Disney Channel television series Wizards of Waverly Place. She subsequently ventured into feature films and has starred in the television movies Another Cinderella Story, Wizards of Waverly Place: The Movie, and Princess Protection Program. She made her starring theatrical film debut in Ramona and Beezus.

Her career has expanded into the music industry; Gomez is the lead singer and founder of the pop band Selena Gomez & the Scene, which has released three RIAA Gold certified studio albums, Kiss & Tell, A Year Without Rain, and When the Sun Goes Down, spawned three RIAA Platinum certified singles, "Naturally", "Who Says" and "Love You Like a Love Song" and charted four No. 1 Billboard Hot Dance Club Songs. Gomez has also contributed to the soundtracks of Tinker Bell, Another Cinderella Story, Wizards of Waverly Place, and Shake It Up after signing a record deal with Hollywood Records.