“Why in the hell do journalists insist on coming up with a second-rate Freudian evaluation of my lyrics, when 90 percent of the time they’ve transcribed them incorrectly?” Nirvana frontman Kurt Cobain once wrote. And it’s true – his often wilfully unintelligible delivery was what led “Weird Al” Yankovic to the pitch-perfect parody Smells lIke Nirvana: “It’s hard to bargle nawdle zouss with all these marbles in my mouth”.

Nonetheless, some will have seeped in over the years…

