Adam Richard Wiles (born 17 January 1984), better known by his stage name Calvin Harris, is a Scottish singer, songwriter and record producer. He was born and grew up in Dumfries, Scotland. His interest in electronic music surfaced in his early teenage years, producing his first bedroom demo by the age of 15. His first album I Created Disco was released on 18 June 2007. The album contained up-tempo electroclash songs that were influenced by music from the 1980s. To promote 'I Created Disco', Harris embarked on a tour of the UK, supporting Faithless and Groove Armada.
Gwen Renée Stefani (born October 3, 1969 in Anaheim, California, United States) is a singer-songwriter and fashion designer. Since 1986 she fronts the rock band No Doubt, whose 1995 release Tragic Kingdom - which spawned the singles Just a Girl, Spiderwebs, and Don't Speak - propelled them into stardom with sales of 16 million copies worldwide. In 2004, Stefani released her first solo album Love. Angel. Music. Baby. The album featured several collaborations with producers and other artists, including No Doubt bandmate Tony Kanal, Linda Perry, André 3000, Nellee Hooper, and The Neptunes.