Lost and Found (IU EP)
Lost and Found is the debut extended play by South Korean singer-songwriter IU. It was released by LOEN Entertainment on September 23, 2008. IU collaborated with lyricist and producer Choi Gap-won, who had previously produced songs including "Amnesia" by Gummy, "Incurable Disease" by Wheesung, and "Toc Toc Toc" by Lee Hyori. Lee Jong-hoon of Soul-Shop and the singer Mario additionally worked on the title song, "Lost Child".