Block B

Block B (???) is a 7-member South Korean hip-hop group that was created by ?PD, under the label Brand New Stardom Entertainment. Their first single album "Do u wanna B?", along with the title's track MV '??? ???!' (Freeze), were released on April 14th, 2011. Previously known in the underground hip-hop scene by Blockbuster (?????), the group had several changes until their current formation: Zico (leader, group's producer and rapper), Jaehyo/??? (sub-vocal), B-Bomb (main dancer and sub-vocal), Taeil/??? (main vocal), Park Kyung/?? (rapper), U-Kwon (dancer and sub-vocal) and P.O (rapper).

Previously known in the underground hip-hop scene by Blockbuster (?????), the group had several changes until their current formation: Zico (leader, group's producer and rapper), Jaehyo/??? (sub-vocal), B-Bomb (main dancer and sub-vocal), Taeil/??? (main vocal), Park Kyung/?? (rapper), U-Kwon (dancer and sub-vocal) and P.O (rapper).

The members were trained by Cho PD to work on writing and composing about 100 songs over the course of their training period. Training them to become a singer-songwriters, he hoped to expand their experience and competence level, as well as promote "expert ease".