Taeyeon Releases New Song Produced by Naul

Taeyeon met Naul's 90's sensibility. On the 2nd, as part of Naul's "Ballad Pop City" project, Taeyeon's "Nights Into Days" has been released. 

"Ballad Pop City" is a project album, in which Naul writes, composes, and produces, and three vocalists himself, Sung Si Kyung, and Taeyeon sing together.