There are three artists by the name of Idlewild.
1.) A rock band from Scotland
2.) An Americana group from the United States
3.) A band called Idlewilde that has been playing in Connecticut since 1981. (http://www.idlewildeband.com/idlewilde.htm)
1.) Idlewild is a rock band which formed in Edinburgh, Scotland in 1995. The band currently comprises of Roddy Woomble (lead vocals), Rod Jones (guitar, backing vocals), Colin Newton (drums), Allan Stewart (guitar) and Gareth Russell (bass).

Read more about Idlewild on Last.fm.