Zac Brown Band were mid-set during their Pandora Live show at the Tabernacle in Atlanta, GA on Thursday (January 31st) when they thrilled concert-goers with a surprise appearace by Foo Fighters' Dave Grohl. The two acts teamed up for a version of Metallica's "Enter Sandman."
Foo Fighters were in town to play their own pre-Super Bowl concert on Saturday (February 2nd).
Zac Brown Band just announced their summer 2019 The Owl Tour, which will kick off in June.
Source: Pulse of Radio