Jerry Cantrell -- Already mentioned previously, the dude just ****in' rocks. Go buy his solo album, now.
SRV -- I know, know, he's on everyone's list, but there's a reason -- the guy plays like a diva sings.
Tal Farrow -- If you ever feel your ego gettin' outta check, pop this dude in the cd player. He'll put you in your place reaaaaaal quick.
Joao Gilberto -- Da King of Bossa Nova, real Bossa Nova
Dean DeLeo -- The Core stuff was pretty generic but he's done some pretty wonderful things after that. Extremely veratile.
"If you should die before me, ask if you can bring a friend."