Grunge gods thrilled crowd just months after the release of 'Badmotorfinger'
Seattle alt-rock band broke through with landmark 1989 major-label debut
Kim Thayil says band need Chris Cornell demos for work-in-progress album
Chris Cornell and Co.'s heartfelt take on 1994 hit appears in new concert film
Jack Black introduced thrashers, riffed on "One" with Papa Het
Family, friends and fans came together for a night of heartfelt emotion and musical fireworks
Queens of the Stone Age frontman sang praises of Soundgarden at Cornell tribute
Surviving members played "Black Hole Sun," more at Cornell tribute