Tom Morello and MusiCorps Wounded Warrior Band also join Pink Floyd singer for cover of Bob Dylan's "Forever Young"
Politically charged single for guitarist's Firebrand Records was inspired by 43 Mexican student-activists who disappeared in 2014
On first anniversary of Michael Brown's shooting, Rage Against the Machine guitarist discusses racism and police violence
Sheryl Crow will also guest at Music Heals event to raise money for wounded veterans
DJ-producer praises "super, perverted, unexplainable, bastardized guitar mutant instrument thing"
"In these troubled times successful social movements always require a great soundtrack – we aim to provide it"
The Roots and breakdancers also contribute to Wu-Tang rapper's cover of 1972 b-boy hit "The Mexican"
A one-off metal supergroup pays tribute to one of their heroes
The Tucson school district has 60 days to retool Mexican-American and African-American courses teaching Rage Against the Machine lyrics and KRS-One essay
Jim James, Mumford & Sons also perform on "A Tribute to Bruce Springsteen" airing next month
Susan Sarandon, Viggo Mortensen and Russell Brand have also signed a statement in support of whistleblowers
Studio version of Morello's bluesy rocker will help benefit Ferguson protestors arrested in the Michael Brown shooting's aftermath
"The model is the Hendrix of now," guitarist tells Rolling Stone as he picks up an award for his activism
The Nightwatchman still has eyes on the Missouri city on bluesy new track
Founding members set aside differences and extol each other and fans