Neil Young played "Rockin' in the Free World" with Joan Baez and Maggie Rogers at the 'Fighting Oligarchy' rally organized by Bernie Sanders and AOC.

"Take America back," Young chanted in his performance before eventually introducing Alexandria Ocasio-Cortez to the stage.

Neil Young, Joan Baez, Bernie Sanders and Alexandria Ocasio-Cortez. CREDIT: (L-R) Gary Miller/Getty Images, Noam Galai/Getty Images for Tibet House US, Chet Strange/Getty Images, Joe Raedle/Getty ...