"It's like I'm sitting here playing Kurt's Gospel through his Nevermind rig – it's crazy, it sounds exactly the same": Proof that the lost Mosrite Kurt Cobain used to record most of Nirvana's breakthrough album is the key to its guitar sound

Aaron Rash / YouTube
(Image credit: Aaron Rash / YouTube)

YouTuber and polymath Aaron Rash has been on another Nirvana mission – and it's culminated in him buying the same year Mosrite Gospel as Kurt Cobain's own. Most fans know he used a Mosrite, less that is was the main electric guitar used on the band's 1991 breakthrough album Nevermind.

Cobain's left-handed 1966 Mosrite was white, and the story goes that it was stolen from Nirvana's van in mid-May – slap bang in the middle of sessions for the album with Butch Vig in LA. It was never seen again, but it had already played its part in shaping rock history.

the mosrite guitar kurt cobain used to record nevermind - YouTube the mosrite guitar kurt cobain used to record nevermind - YouTube
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As Aaron demonstrates in the video above with the 1966 sunburst model he now owns, the stock Gospel is the Lithium clean guitar – you can hear it. "Another thing that's cool about this guitar is it has naturally chorus-y sound," notes Aaron. "It sounds like a chorus – but there's no chorus."

As the Nirvana historian notes part of what makes this guitar sound unique are its pickups – they feature an 'air coil' rather than a traditional bobbin. 

The magnets are placed underneath the coil with epoxy used under the pickup covers to help cut down on the risk of feedback. And the sounds Aaron demonstrates playing parts from the songs Come As You Are and Drain You (with the forthcoming Nevermind IR pack that's being released to follow up his In Utero one) certainly sound thicker than a P-90 to my ears. And the combo of Mosrite Gospel and Aaron's IR nails the sound!

"It's like I'm sitting here playing Kurt's Gospel through his Nevermind rig – it's crazy, it sounds exactly the same".

The Utero Sessions IR Pack

(Image credit: Aaron Rash)

Aaron also reveals in the video that he's working on a Bleach IR pack as well as a Nevermind one, and he's "almost" done with the production aluminum guitars he's going to make available. As he explains in our interview from early 2024, they're inspired by the late Steve Albini's Veleno model he loaned to Kurt Cobain that became a key guitar in the tracking of Nirvana's In Utero album. 

"The way that the aluminum guitars are going to work is that I'll probably do runs of 15 at a time," explains Aaron. "They're probably going to sell out really quick because the amount of interest in there has been through the roof."

the kurt cobain engine pedal - YouTube the kurt cobain engine pedal - YouTube
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If that wasn't enough, Aaron has a pedal coming out too – The Engine. It's based on the tones Cobain used on In Utero and some of his home recordings that were provided by a super rare Univox Superfuzz pedal Cobain owned, had stolen (notice the theme) and a replica built by his tech Earnie Bailey. After Aaron built a pedal himself by ear to replicate the 'engine-like' sound it makes, a company is going to mass-produce them for Aaron to sell on his site. 

Keep an eye on aaronrash.com for preorders and to buy the In Utero IR pack now.

 

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Rob Laing
Reviews Editor, GuitarWorld.com and MusicRadar guitars

Rob is the Reviews Editor for GuitarWorld.com and MusicRadar guitars, so spends most of his waking hours (and beyond) thinking about and trying the latest gear while making sure our reviews team is giving you thorough and honest tests of it. He's worked for guitar mags and sites as a writer and editor for nearly 20 years but still winces at the thought of restringing anything with a Floyd Rose.