A wicked free number from my mate The 13th Tribe, a deep bassy backdrop to some great vocals on knowing yourself, and not to sell out to corporate greed.
Download the free 320k mp3 of The 13th Tribe - Reconstruct Your Self by right clicking here
Also via his blog, I came across this, The Tinariwen, a group of Mali soldiers who put down the guns and picked up the guitars.
Music of Resistance - The Tinariwen
Also check out the 13th Tribe's side project V.O.C.A., an Afro Latin music collective featuring artists from all sides of the planet.