Donation-based Download: DEF CON 21: The Official Soundtrack, by Various Artists | Bandcamp | Soundtrack | Scoop.it
From music.gravitasrecordings.com - August 8, 2013 11:42 AM

DEF CON (defcon.org), one of the worlds largest and oldest annual hacking conferences, with help from Gravitas Recordings are proud to present 2013's DEF CON soundtrack. This is a free/pay-what-you-can donation based released, where 100% of the generated revenue will be going to straight to the Electronic Frontier Foundation (EFF, eff.org ), a 501(c)3 not-for-profit dedicated to protecting our Internet freedoms and privacy.