Steve Earle is throwing even more support behind public worker unions, many of which are are currently battling to keep their rights to collective bargaining.

The legendary musician has just released the songs 'Harlan Man' and 'The Mountain' on a special two-track digital single, with all proceeds benefiting the America Votes Labor Unity Fund via SaveWorkers. The songs -- both depicting life as a card-carrying union member -- were originally released on the 1999 bluegrass album Steve recorded with the Del McCoury Band, 'The Mountain.' You can download them here.

"Unions are a fundamental component of democracy throughout the Free World," says Steve. "All eyes are on Wisconsin."

Of course, Steve is referring to legislation by Wisconsin Gov. Scott Walker that would take away public employees' rights to collectively bargain for benefits. The Governor argues that his legislation is to help balance the state budget and boost job outlook in the state. President Barack Obama has called the legislation an "assault on unions."

This is only Steve's latest high-profile support of the unions. On February 25, he dedicated his SIRIUS XM radio program to public employees in Wisconsin. During that edition of Steve's 'Hardcore Troubadour Radio,' show which airs Saturdays at 9:00 PM ET on Outlaw Country (SIRIUS channel 63, XM channel 12), he spun an hour of pro-union songs -- from Woody Guthrie to Bob Dylan, Billy Bragg to the Byrds.

"I got this soapbox on Saturday nights, and I'm going to climb up on it and holler," Steve tells The Boot. "This is important. Collective bargaining for working people is a fundamental component of democracy, and we can't afford to let it slip away."

Steve Earle will release his 14th studio album, 'I'll Never Get Out of This World Alive,' on April 26. His debut novel has the same title and will hit bookstores on May 12.

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