F.T. Island In 2007, Lee debuted in the band
F.T. Island as the lead singer. He can also
rap and
beatbox. Lee decided to pursue a career in singing after he starred in
Kkangsooni, for which he sang a song for the soundtrack. At the end of the drama, he performed the song live on stage. He was 13 years old at that time. Impressed by his powerful vocal ability, a few music agents approached him, not wishing to waste his talent for singing. Then-fledgling label company FNC Music signed Lee and fully trained him to become the lead singer of F.T. Island.
Solo debut In 2015, Lee announced through social media that he was working on both a Korean and Japanese album, which was released in November and December respectively. The mini Korean album was revealed to be
FM302, and the album was released on November 18, 2015, while the Japanese album was revealed to be
AM302, and it was released on December 9, 2015. 'FM302' combines the radio terminology
frequency modulation (FM) with Lee's birthday which is on March 2, to create the effect of his own radio frequency that resonates his music across the world. The title song "Insensible" is a ballad track and it tells the sad story of a man who is unable to forget his previous love. The music video was published on November 18, 2015. The lead actress of the music video is actress
Park Shin-hye. Prior to his official music video release, a showcase was organized. Upon the release of FM302, it topped both Naver's real-time search chart, as well as Hanteo sales chart. The album still retained its position next week, selling more than 19,000 albums within two weeks. Moreover, six days after the release of the album, Lee won first place on
SBS MTV's
The Show for the first time. The album charted at No. 2 on
Gaon Chart's national physical albums ranking, as well as No. 5 on the Gaon Social Chart in the 3rd week of November. On the other hand, the music video for the lead single of the Japanese album
AM302, "モノローグ (Monologue)", was published on November 11, 2015, on F.T. Island's Official Japanese YouTube channel. The Japanese album contained some tracks from the Korean album FM302, but was translated into Japanese. The album is also available in three different sets, namely, the original version, Primadonna version (for fans), and the limited edition DVD version. Upon release, it charted at #4 in the Oricon charts.
Soundtrack appearances Lee has sung many OSTs for different dramas such as ''
You're Beautiful, Heartstrings and The Heirs''. On May 21, 2015,
Dal Shabet official YouTube channel uploaded a video titled "Joker" in Rock Version. The video was a collaboration with Lee and
Subin singing Joker in rock version. It was believed that the two decided on a collaboration when Lee and Subin met on Hello Counselor.
Compositions and lyric-writing In recent years, Lee has also begun composing music, contributing the songs "Black Chocolate" and "Orange Sky" to F.T. Island's Japanese album
Rated FT, as well as the title track "Memory" and the song "Always With You" on F.T. Island's Korean mini-album
Thanks To, "Siren" from their album
The Mood and title song "Wind" from their album
Over 10 Years . He also composed Japanese songs "On My Way", "Just Please" and "Born to be a Rock n Roller". ==Personal life==