Bumkey, the representative R&B artist of Brand New Music, announced his first single, 'LOST', on the afternoon of January 17th.

Bumkey's double single "LOST" consists of two songs, including the title track "Letter to the Sky" featuring rookie artist NONE from HOLYHOOD MUSIC and a piano remake version of the single "Feat. pH-1" released in 2019. Both songs of which in particular are completed in a simple composition consisting of warm textured piano and vocals, conveying the message of the song with more concentration and giving a deep resonance. Bumkey said about the title song 'Letters to the Sky', "I wanted to make a song that looks like a song written in a song, rather than writing lyrics, but I tried writing and adding a melody as if writing a letter." It was a song made with a willingness to do it,” and expressed the wish that this album would be a healing to all who are having a hard time.