Clad in white suits with black stripes and armed with charms,�BEAST rocked Music Bank this evening with Mystery in front of an enthusiastic crowd. Although the boys have been performing this song for a few weeks now, they're not letting their stage charisma diminish at all, and continue to energize the crowd with a remix of this catchy track. And that's not all - there was a special backstage clip featured earlier in the show that gave fangirls another glimpse at this fab male group. Check out the Mystery performance: http://www.youtube.com/watch?v=A51oTs8JObs Stay tuned for more about BEAST, only at allkpop!