Rage Against the Machine's Tom Morello and Roots drummer/top shelf party rocker, Questlove are set to play a free American Civil Liberties Union concert in a parking lot on Red River Street during the South by Southwest Music Festival.

The event, hosted by television personality and ACLU Ambassador, Padma Lakshmi is part of an interactive exhibition celebrating the ACLU's 100th anniversary. According to a press release about the event, the exhibit is "traveling across the country on a national, centennial tour featuring the high stakes civil liberties battles of the nation’s past, present, and future."

Singer-songwriter K. Flay will also perform at the show.

The concert takes place on March 9 at 8 p.m. (Doors at 6:30) at 313 Red River St. It is free and open to the public, although primary access will be given to SXSW badge-holders.

313 Red River St.