Nirvana Source Yes, this is about that Nirvana band which used to feature Kurt Cobain as singer and guitarist. It seems that the band was added to the Rock and Roll Hall of Fame and with this occasion at the ceremony also attended the former Nirvana members, Dave Grohl and Krist Novoselic and Kurt Cobain’s ex-wife Courtney Love and family. Check out below the band’s acceptance speech: Even though the band lost…