Hello! All about B1A4 

Member:

Jun Jinyoung as Leader

Shin Dongwoo (CNU) as Vocal/rap

Lee Jung Hwan (Sandeul) as Main vocal

Cha Sun Woo (Baro) as Main rapper

Gong Chan Shik as Maknae

Click this link below ^^

http://www.youtube.com/watch?v=j_ZnxKSPJH8  = Baby Goodnight MV

http://www.youtube.com/watch?v=EUt9ltgh_Qw  =  B1A4 sing I don't Care by 2ne1

http://www.youtube.com/watch?v=qIUVzF2XB5Q = Beautiful Target Japaness ver.

http://www.youtube.com/watch?v=Z37WOB7cf44 = Baby I'm sorry MV

http://www.youtube.com/watch?v=839DdUWbeLw = O.K MV