Butch Vig on how his breaks with Smashing Pumpkins and Nirvana came about

Producer and musician Butch Vig (Nirvana, Smashing Pumpkins, Garbage, Foo Fighters, Green Day) looks back at his long career, from early days at Smart Studios and the smash success of Nirvana’s Nevermind, to making music with his own band Garbage.