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B1A4 Biography

Last updated: 09/21/2011

B1A4 FANPAGE (비원에이포) is a new South Korean idol group. A five member boy band consisting of Jinyoung (leader), Baro, Gongchan, Sandeul, and CNU (Shin Woo). Debuted on the 23rd of April with the title track "O.K."

For those who are highly anticipating this new kpop boygroup :D
Let's spazz our hearts out together about these cute & lovely boys of B1A4!

B1A4 debuted on April 21, 2011 with their debut track 'O.K' off of their album 'Let's Fly' and released a music video. They were first introduced to the world through the creative marketing of webtoons before their actual pictures were released. Their debut album 'Let's Fly'. They made their live debut on April 23, 2011 on MBC's Music Core.Their group name, B1A4, has been explained as being due to one member having B blood type, and the other four having A blood type. It also stands for "Be The One, All For One".