Bad Brains came together as a band in the late 1970's. They were pioneers in terms of Black Rock music as we know it today and of hardcore punk, in general. Although the Rastafarian rockers have broken up and rearranged a few times over the years, they get mad respect for laying the foundation in the Punk realm with the likes of the Sex Pistols, Black Flag, The Clash and The Ramones.
Here's the footage from Bad Brains' famous 1982 CBGB show:
This is from a 1988 Daytona Beach show:
No video here, but there's a cool picture slideshow as Bad Brains performs the track, Secret 77: