The tactic has been common in the U.S. war on terror, with forces systematically using loud music on hundreds of detainees in Iraq, Afghanistan and Guantanamo Bay. Lt. Gen. Ricardo Sanchez, then the U.S. military commander in Iraq, authorized it on Sept. 14, 2003, "to create fear, disorient ... and prolong capture shock."

Now the detainees aren't the only ones complaining. Musicians are banding together to demand the U.S. military stop using their songs as weapons.

A campaign being launched Wednesday has brought together groups including Massive Attack and musicians such as Tom Morello, who played with Rage Against the Machine and Audioslave and is now on a solo tour. It will feature minutes of silence during concerts and festivals, said Chloe Davies of the British law group Reprieve, which represents dozens of Guantanamo Bay detainees and is organizing the campaign.

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