Guitarist Kirk Hammett (left) and his band Metallica will join classical pianist lang Lang on stage at the Grammy wards telecast Sunday night. Getty Images/Courtesy of the artist hide caption

itoggle caption Getty Images/Courtesy of the artist

Metallica at a packed concert this week at Shanghai's Mercedes-Benz Arena. Ross Halfin hide caption

itoggle caption Ross Halfin

Pearl Jam (top left), Missy Elliott (top right), the cover of Nirvana's Nevermind (bottom right), PJ Harvey (bottom left), Jeff Mangum of Neutral Milk Hotel (center). Courtesy of the artists hide caption

itoggle caption Courtesy of the artists