Boys De Capo (BDC) is a project group formed by label Brand New Music and consists of three of the four Brand New Music trainees that participated on the show Produce X 101. It’s members are Kim Si Hun, Yun Jung Hwan, and Hong Seong Jun. BDC debuted on October 29th, 2019 with a single.

The trio is also affectionately known as the “BRANDNEWZ” as the public trainees of the label.