They played songs from their thrashy 1986 demo for the first time in over 30 years, and also covered Stormtroopers of Death, Circle Jerks, Siege, The Exploited, The 'Mister Rogers' theme, and more...
It's is part of a musical puppet tribute for Mr. Rogers' Neighborhood's 50th anniversary being staged in Minneapolis, with other contributions from Bonnie Prince Billy, Andrew Bird, and others.