John Lennon wrote the song 'Imagine' in 1971 as a protest against war and violence. The song became an anthem for peace and unity around the world.

Amnesty International uses music to empower survivors of torture and promote human rights. The organization has released several albums featuring musicians from around the world, and it has also organized concerts and other events to raise awareness about torture and its devastating effects.

Victor Jara was a Chilean musician who was arrested and tortured by the Chilean military regime in the 1970s. He was killed in 1973, and his death became a symbol of the regime's brutality.

Peter Gabriel wrote the song 'Biko' in 1980 in protest against the apartheid regime in South Africa. The song was inspired by the death of Steve Biko, a black South African activist who was killed in police custody.

Neil Young was a vocal critic of the United States' use of torture during the War on Terror. He released the album 'Living with War' in 2006, which featured songs that protested the war and its human cost.

Sting founded the organization 'Musicians United for Human Rights' in 1986. The organization works to promote human rights and raise awareness about the issue of torture.

Edwin Starr wrote the song 'War' in 1969 in protest against the Vietnam War. The song became a hit and helped to raise awareness about the war and its devastating effects.

Mercedes Sosa was a vocal critic of the Pinochet regime in Chile. She was forced into exile in 1979, but she continued to speak out against the regime and its human rights abuses.

Bob Marley wrote the song 'Get Up, Stand Up' in 1973 in protest against apartheid in South Africa. The song became a hit and helped to raise awareness about the issue of apartheid and its devastating effects.

Bruce Springsteen was a vocal critic of the United States' use of torture during the Iraq War. He released the album 'Devils & Dust' in 2005, which featured songs that protested the war and its human cost.

Bob Dylan wrote the song 'Blowin' in the Wind' in 1962 as a protest against war and injustice. The song became a hit and helped to raise awareness about the issue of civil rights and the need for social change.

Joan Baez was a vocal critic of the United States' use of torture at Abu Ghraib prison. She released the album 'Day After Tomorrow' in 2008, which featured songs that protested the war in Iraq and its human cost.

Bob Dylan wrote the song 'The Times They Are A-Changin'' in 1964 as a protest against social injustice. The song became a hit and helped to raise awareness about the issue of civil rights and the need for social change.

Neil Young was a vocal critic of the United States' use of torture during the War on Terror. He released the album 'Living with War' in 2006, which featured songs that protested the war and its human cost.

Pete Seeger wrote the song 'Where Have All the Flowers Gone?' in 1955 as a protest against war. The song became a hit and helped to raise awareness about the issue of war and its devastating effects.