A.T (Hangul: 에이.티) is a South Korean singer who used to be under the name TomTom. TomTom years A.T debuted on June 18, 2010 under the name TomTom. Her debut single was called 1st Single - Super Vocal. It contained the track "Top Girl"(탑걸) 2012 During this year she released the song "Slowly". 2013 She released the single A.T's Retro Experience Vol.1 [Don't Be]. This starting off her "singles series" concept. The single contained the track "Don't Be" which featured Geeks. 2014 On February 13, A.T released her single, A.T's Retro Experience Vol.2 it featured the track "Melancholy" (멜랑꼴리). Actress Kim Seon-young starred in the music video of "Melancholy". On May 10, she appeared on the show Yesterday and did a cover of Lim Chang Jung's song "A Glass of Soju". In August, she released the track "Good Morning" for Part 2 of Roomate OST. <a href="https://www.last.fm/music/A.T">Read more on Last.fm</a>. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.