The guy who wrote the Barney "I love you" song, and other musicians are banding together to protest the US military using their songs as weapons. The campaign has brought together groups including Massive Attack and musicians such as Tom Morello, who played with Rage Against the Machine and Audioslave. 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.