[Video] After School perform Bang! on Music Bank After Schoollsl99Jun 25, 2010 Share 0 comments Besides showing us Marching Band performance, Pledis Ent. girls After School perform Bang! once again on Music Bank. It's been so long they perform this song.See their completely awesome performance below! video credits to unknowncarrot120@YT Tags: After school, Music bank, Video Share Previous articleNext article Leave a comment Name Email Content Post comment