Bassist Krist Novoselic tweets that he is practicing old bass tabs
The singer reveals ambitious plans for her late husband's legacy
Coldplay, Bruce Springsteen and Tom Morello will all take part in the ceremony
Local resident reveals 1940 advert for the Morck Hotel with same phrase used by Cobain in 1992 track
A total of 35 new photos have been made public
Original sticksman had claimed he was attending the April 10 ceremony
Chad Channing was band's drummer before Dave Grohl
He follows in the footsteps of Bruce Springsteen, who also recently played his own version of the hit
The advert claiming to be selling the Nirvana frontman's belongings was actually a stunt by Sub Pop Records receptionist Derek Erdman
The listing includes a telephone and a set of skis that allegedly belonged to Cobain