Singer chats about progress of band's first studio album in 15 years
Reformed US band are working on first studio album in 15 years
Reunited grunge band ready to hit the studio
'Live on l5' is out on March 21
Guitarist Kim Thayil says band have been working on new material
Arcade Fire, Green Day and Phoenix also set to appear at the event
Frontman Chris Cornell says the band are coming back
It comes despite Cornell telling NME.COM the band won't reform<br />
Chris Cornell is joining Rage, ending months of speculation...
Two years after they split, <a href="/artists/chris-cornell" class="artistLink">Chris Cornell</a> says they may reunite...