Making its world premiere at the SXSW Film Festival next month, the documentary Bad Brains: Bands in DC, about an underrated and influential American band that has played an ecclectic blend of punk and reggae for 30 years, is directed by Mandy Stein and Benjamen Logan.

The full synopsis reads:

Bad Brains are one of the most important and influential American bands still working today. They melded punk and reggae into an innovative style that has yet to be copied. Their impact and influence can be heard in groups like Beastie Boys, No Doubt, Nirvana, Jane's Addiction and countless more. Despite the troubles of an eccentric front man they have stayed together for 30 years without ever reaching the level of success so many think they deserve. Using rare archival footage and original comic illustrations the film re-constructs Bad Brains' rich and complicated history.

Take a look at the trailer below.