Bonnaroo promised an “80s Throwback Superjam”, and the festival did not disappoint! Led by Pretty Lights, DMC (of Run DMC) and Rob Trujillo of Metallica, the all-star set featured a number of guest appearances – both announced and unannounced.

One of the biggest surprises of the set came at its beginning, as actors Jon Hamm and Zach Galifianakis showed up unannounced to sing “We Are The World.” Check it out:

 

The remainder of the performance included appearances from Karl Denson, Eric Krasno, Jamie Lidell, Oteil Burbridge, Reggie Watts, John Medeski, Chance the Rapper & more.