Key said his group learned about the use of its music at Guantanamo from a guard who was a fan of the band. Key also said he understands how his group’s music could be difficult to listen to.

While it’s “a terrible nightmare” for some, to others “it’s a creative artistic endeavor that plays with dark writings and dark cinema,” the musician said.

“I wouldn’t want to be subjected to any overly loud music for six to 12 hours at a time without a break,” Key said.