Nirvana have sold more than 50 million records worldwide
Nirvana's legendary performance at the Reading Festival in 1992 is to be released on a CD and DVD package.
Nirvana Live At Reading will be released on 2 November along with DVD-only and CD-only versions.
A double 12-inch vinyl version of the performance, which took place on 30 August 1992, is due out on 16 November.
The gig was voted Nirvana's "greatest moment" in an NME poll and included most of the tracks from the band's 1991 album Nevermind.
Although there have been numerous bootleg versions of the performance, this will its first official release.