The accompanying soundtrack was also included in the album and was arranged by composer and music producer Bang Si-hyuk, who went on to establish Big Hit Entertainment.
[6][7][8] "Sky Blue Promise" (하늘색 약속), one of the pre-released songs from g.o.d's 15th anniversary album Chapter 8, heavily references "One Candle".
Danny Ahn, Son Ho-young and Kim Tae-woo performed it together during their appearance on the Mnet music talk show The Playlist.
[11] The song was referenced during Yoon Kye-sang's appearance Saturday Night Live Korea in which his character from The Outlaws, mobster Jang Chen, starts composing his own poem (by directly quoting the first verse of "One Candle").
— Professor Kim Tae-il on KBS Radio 1[19]The song was featured in a short film The Gil, which documented four British indie artists' dive into K-pop through remaking "One Candle" and "The Road".
Directed by Korean-British Jeon Saet-byeol, the film was produced to commemorate 140 years of diplomatic relations between the United Kingdom and Korea.
[24] Traveling British busker Aancod Zaccarelli, who previously lived in South Korea as a teenager, sang the song accompanied by his guitar on a platform at the Seoul National University Station.