The event in protest of Donald Trump's presidential inauguration will mark the first Audioslave reunion in 11 years.
Jack Black and the Los Angeles Freedom Choir will also join the event to be held at the Teragram Ballroom in Los Angeles. The full show will be live-streamed on Prophets of Rage's Facebook page.
Prophets of Rage is former Rage Against the Machine members Tom Morello, Tim Commerford, Brad Wilk, Public Enemy's Chuck D and DJ Lord and B-Real of Cypress Hill. With Cornell joining the group, this will be the first Audioslave performance in 11 years, reuniting with former bandmates Morello, Commerford and Wilk.