Neil Young and Stephen Stills reunited this weekend for the third annual Light Up the Blues Concert, an evening of music to benefit Autism Speaks at the Pantages Theatre in Hollywood, CA.

The duo rolled through material from Stills-Young Band including the opening “Long May You Run.” Joined by the house band, Stills and Young also offered up takes of some Buffalo Springfield material such as “For What It’s Worth,” “Bluebird” and “Mr. Soul.”

Also performing were Steve Earle, Shawn Colvin, White Buffalo, Chris Stills, Jake Smith and more. The event was emceed by Jack Black. All performers came on stage during the finale for “Rockin’ in the Free World” which you can watch above.