The smashed guitar is the visual shorthand of punk rebellion, and for many people it is permanently synonymous with Nirvana. The strange truth is that the move started as a way to cut bad shows short. This episode is a deep dive into how a trio from Aberdeen, Washington, accidentally redefined mainstream rock and broke open the 1990s.

We trace the origin: Kurt Cobain's hardscrabble Pacific Northwest childhood, the early band names and lineups, the 1989 Sub Pop debut Bleach, and the studio chemistry that built the album that changed everything. We unpack producer Butch Vig's quiet manipulations on Nevermind: the John Lennon double-tracking trick to coax vocals out of a self-conscious Cobain, and the way mixing engineer Andy Wallace polished the sound so far past indie norms that Cobain later worried it was too clean. We cover the cult ...