Amy Helm, Luther Dickinson, and a few other TBA special guests have been added to the line up for HeadCount’s Participation Party. The Participation Party, which will take place on November 5 at the Highline Ballroom in New York City, is the final show of HeadCount’s Participation Tour. Dickinson and Helm will be joining tour headliners Dumpstaphunk and Anders Osborne on the bill for the Participation Party. Both Dumpstaphunk and Osborne will perform full sets, while the third and final set will be a collective jam. Other special guests will be announced in the days before the show. You can purchase tickets to the event here.