"We'd drink whiskey in the parking lot," Foo Fighters singer said of long-hyped "pop star," who sings backing vocals on 'Concrete and Gold'
"Thanks for coming over and playing great bass. I love you man," drummer tells Beatles bandmate
In this investigative report, Rolling Stone traces Cobain's final days â€“ from his nearly fatal drug overdose in Rome to the discovery of his body one month later in Seattle
Chris Stapleton, Rihanna, Pharrell also took stage at Person of the Year dinner