T1 announced their 2021 theme song, Runner. On Feb. 1, T1 revealed the music video of their theme song for the year 2021 on their Youtube channel. In the production of their new theme song, singer
SK Telecom CS T1 revealed a teaser video of their LoL team's 2021 theme song. In the teaser that was revealed on T1's Youtube and social media, Baekhyun of EXO and Kim “Canna” Chang-dong's
