B1A4's Introduction
B1A4 is a five member South Korean boy bad founded by WM Entertainment in 2011.
The band consists of Jinyoung (leader), Baro, Gongchan, Sandeul, and CNU (Shin Woo).
They have gained much interest due to being first introduced in a webtoon and for their unique sound mixing pop with rock for their debut album. 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".
B1A4 debuted on April 21, 2011 with their debut track 'O.K' off of their album 'Let's Fly' and released a music video.


Jinyoung - Leader, Lead Vocalist
Born in: 1991.11.18
Blood type: A
Height/Weight: 178cm/59kg
Sign: Scorpio




CNU - Vocalist, Rapper

Born in: 1991.06.16

Blood type: A

Height/Weight: 182cm/64kg

Sign: Gemini

Sandeul - Main Vocalist

Born in: 1992.03.20

Blood type: A

Height/Weight: 178cm/62kg

Sign: Pisces


Baro - Main Rapper

Born in: 1992.09.05

Blood type: B

Height/Weight: 178cm/63kg

Sign: Virgo

Gongchan - Maknae, Vocalist

Born in: 1993.08.14

Blood type: A

Height/Weight: 181cm/60kg

Sign: Leo


B1A4's Album Cover of "Let's Fly"


MV of O.K.


Some of their performances: