It's claimed the late Nirvana frontman - who took his own life in 1994 after years of heroin abuse - tried his hand at writing songs for children's TV programs following the release of his band's seminal album Nevermind in 1991.
He penned a tune for cartoon series The Ren & Stimpy Show but his recording was reportedly binned by bosses.
If you're not familiar with Ren & Stimpy it followed the adventures of a psychotic Chihuahua named Ren and a dumb cat called Stimpy.
Billy West - who provided the voice of Stimpy - said: "One day this scraggly kid came into the Spumco offices where the series was made and said he wanted to write a song for Ren & Stimpy, and they said, 'Yeah, that's great,' and they threw it in the waste basket, and it was Kurt Cobain."
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