Who will play with the Nirvana crew at the Rock N Roll Hall Of Fame induction ceremony?  There's been no "offical" talk of it yet... until NOW... kind of.  Foo Fighters instagram posted THIS:

Upon investigation that is JOAN JETT'S guitar in the middle.  Nothing official just yeat, but given that The Foo Fighters backed up Joan Jett on Letterman in 2011 and Joan produced an album  by the GERMS, which included Nirvana and Foo guitar player Pat Smear it is highly possible.

There was also a tweet from Nirvana bass player last week. Krist Noveoselic suggested he was practicing for an upcoming Nirvana performance: