Kim Tae-yeon, known mononymously as Taeyeon, is a South Korean singer. She has been a member of SM Entertainment's girl group Girls' Generation since 2007, along with other SM projects including Girls' Generation-TTS, SM the Ballad, and Girls' Generation-Oh!GG.Before officially debuting as a solo singer, Taeyeon had recorded soundtracks for television dramas that proved successful on South Korean music charts, notably "If" and "Can You Hear Me". She released her debut extended play I in 2015, which includes the Gaon Digital Chart number-one titular single. Her second extended play Why peaked atop the Gaon Album Chart and spawned two Gaon Digital Chart top-ten singles, "Starlight" and "Why". Her debut studio album, My Voice, yielded the top-five singles "11:11", "Fine" and "Make Me Love You".Taeyeon has further released two Korean EPs, This Christmas: Winter Is Coming and Something New, and a Japanese EP, Voice. She was a main cast on the JTBC reality show Begin Again. Her second studio album, Purpose, was released in October 2019 and featured the top-two singles "Four Seasons" and "Spark".