You & I (IU song)

"You & I" is a song recorded by South Korean singer-songwriter IU, released as the lead single from her second studio album, Last Fantasy, on November 29, 2011. Composed and written by Kim Eana and Lee Min-soo respectively, the song is a pop ballad with elements of house and orchestral music.

Lyrically, "You & I" tells the story of a girl who hopes to travel through time to meet her loved one. The music video features IU building a time machine and falling into a deep sleep, dreaming of a future where she and her loved one can be together.

Upon release, "You & I" achieved significant commercial success, topping the Gaon Digital Chart and becoming one of the best-selling singles of 2011 in South Korea. It garnered multiple awards, including Song of the Year at the 2012 Korean Music Awards.

The song is considered one of IU's signature songs and is often performed at her concerts. It is recognized for its complex arrangement, IU's vocal performance, and the fantastical narrative of its lyrics and music video. The song's popularity helped solidify IU's position as one of the leading artists in the Korean music industry.