Dwight Yoakam had the crowd on its feet dancing during “Truckin.'” Grammy nominee Noah Kahan sang “Friend of the Devil" featuring three guitars, banjo and bass. Weir's wife, Natascha, and their ...

John Mayer jammed with Dead & Company at the lively event hosted by Andy Cohen that also included performances from Wynonna Judd, Norah Jones, Sammy Hagar, Vampire Weekend, My Morning Jacket and more.