Watch Dave Grohl Reunite With Battle of the Bands Rival Onstage

Foo Fighters’ Sonic Highways tour has witnessed a number of strange occurrences over the past few months: A shattered leg, a rickrolling of the Westboro Baptist Church, Foo fans covering Rush and onstage invites for Jewel and Dave Grohl’s doctor. However, at Foo Fighters’ Memphis gig Wednesday night, Grohl once again raised…