Alternative Nation reports that seven unreleased Nirvana recordings have made their way onto the internet via a private Nirvana forum.
The news outlet says the songs were recorded on February 15, 1993 and the recordings were bought by a fan on Ebay.
It looks like one of the unreleased instrumentals features Dave Grohl on all instruments, and the other one is titled 'Lullaby'.
Take a listen below.
Get Rock Sound to your inbox, every week. Sign up for free now.