"Spark" (Korean: 불티, romanized: Bulti) is a song recorded by South Korean singer Taeyeon, serve as the second single and the title track for her second studio album Purpose (2019). It was released on October 28, 2019 as the album's second single by SM Entertainment. The song was written by Kenzie, and composed by Kenzie, Anne Judith Wik and Ronny Svendsen.
The song debuted at number two on the Gaon Digital Chart. The song additionally charted at number 25 on the Billboard World Digital Songs and debuted at number two on BillboardK-pop Hot 100.
On October 10, 2019, Taeyeon's agency SM Entertainment announced that her second full-length studio album would be released in the end of October.[2] The album's title is Purpose, while the lead single was announced to be "Spark", which was released simultaneously with the release of the album.[3]
"Spark" debuted at number two on the Gaon Digital Chart for the week ending November 7, 2019.[6] Within its first week of release, the single sold 47,032,838 digital index points through South Korean digital music services.[6] It peaked at number one on the Gaon Download Chart.[7] The song additionally debuted at number 25 on the BillboardWorld Digital Songs and debuted at number two on BillboardK-pop Hot 100.[8]
^[공식]태연, 정규 2집 'Purpose' 오는 28일 대공개…타이틀 곡은 '불티' [[Official] Taeyeon, the 2nd full album 'Purpose' will be released in October 28… Title song is 'Spark']. The Chosun Ilbo (in Korean). October 21, 2019. Retrieved October 21, 2019.
^'인기가요' 태연, 1위 3관왕..갓세븐X현아♥던X빅톤 컴백·이진혁 솔로데뷔 [종합] ['Inkigayo', Taeyeon wins no. 1 for the 3rd times, GOT7 comeback, Lee Jinhyuk solo debut]. The Chosun Ilbo (in Korean). November 10, 2019. Retrieved November 10, 2019.
^Purpose (CD booklet) (in Korean). Taeyeon. SM Entertainment. 2019.CS1 maint: others in cite AV media (notes) (link)