┬Ā ŌĆ£The First Breakup, That NightŌĆØ (2010)
Composed by Yoon Jong Shin, ŌĆ£The First Breakup, That NightŌĆØ depicts a confusing and embarrassing day of a girl after a breakup. IU expressed the feelings of loss and heartbreak of a girl facing her first breakup with her excellent interpretation and emotional delivery. After working together, Yoon Jong Shin spoke highly of IU, saying, ŌĆ£She is a singer who has both musical sensibility and an intelligent mind.ŌĆØ ┬Ā ŌĆ£KneesŌĆØ (2015)
This song will make you feel comfortable during the nights you canŌĆÖt sleep. ŌĆ£KneesŌĆØ was written and composed by IU herself, who was having a hard time with insomnia. IU once said that ŌĆ£the hero of ŌĆśKneesŌĆÖ is my grandmother.ŌĆØ ŌĆ£I was raised by my grandmother when I was young, and whenever I couldnŌĆÖt sleep, she would lay me on her knees and stroked my hair,ŌĆØ she recalled. ┬Ā ŌĆ£CanŌĆÖt Love You Anymore (With. OHHYUK)ŌĆØ (2017)
It is a duet song sung by IU and band HYUKOHŌĆÖs vocalist Oh Hyuk. ŌĆ£CanŌĆÖt Love You AnymoreŌĆØ completed the candid conversation between a man and a woman who are in the middle of the seven-year itch with the captivating voices of the two artists. In this R&B song that shows minimal instrument composition, IU and Oh Hyuk exchanged realistic and sensuous lyrics and melodies, tensely expressing the conflict between a man and a woman. ┬Ā ŌĆ£Ending SceneŌĆØ (2017)
It is an R&B ballad in which a vintage piano sound and lyrical orchestral melody boast perfect harmony. The song composed by Sam Kim, who can deliver emotions and senses at the same time, met with IUŌĆÖs lyrics and vocals to give off an entirely different color. The lyrics describe a breakup, the saddest moment in love that anyone who has been in love can relate to, as the ending scene of the movie. ┬Ā ŌĆ£Autumn MorningŌĆØ (2017)
IU sang the song included in Yang Hee EunŌĆÖs 20th-anniversary album, Yang Hee Eun 1991. IUŌĆÖs voice, which resembles a clear and refreshing autumn morning, is definitely the highlight of the song. Even though the songŌĆÖs composition is simple, the guitar, voice, and lyrics are perfectly harmonized, creating one beautiful ŌĆ£autumn morning-likeŌĆØ song, just like the title. ┬Ā ŌĆ£LullabyŌĆØ (2019)
The song was inspired by Netflix original film PersonaŌĆśs 4th part Walking at Night. It is an R&B song composed by Kim Hee Woon, a rookie musician and a composer of ŌĆ£Through the Night.ŌĆØ Although the song showcases minimal composition of simple piano melody and IUŌĆÖs voice, her deep emotional delivery wonŌĆÖt allow you to drift off. Source (1)