IU took on various side-projects after the end of Dream High.
She was selected by the program's producer for her MC skills that she demonstrated on Inkigayo.She signed with Kakao M (formerly LOEN Entertainment) in 2007 as a trainee and began her music career at the age of 15 with her debut album, Lost and Found. IM, brought her mainstream success, but it was through "Good Day" (Korean: ), the lead single from her 2010 album Real, that she achieved national stardom."Good Day" spent five consecutive weeks at the top position of South Korea's Gaon Digital Chart along with Psy's "Gangnam Style".She was nominated for the Excellence in Acting Award (Best Actress in a Serial Drama) at the 2013 KBS Drama Awards.For the drama, she released a recording with her co-star Jo Jung-suk of her self-composed duet, "Beautiful Song" (Korean: In the same period, IU released her second Japanese extended-play album, Can You Hear Me? Two tracks from the album were released as singles; "Beautiful Dancer" and "New World" peaked at number 66 and 76 respectively on the Billboard Japan Hot 100, ranking significantly lower than her Japanese-translated versions of "Good Day" and "You and I", which were top 10 releases.