Montreal (AFP) - A Canadian hard-rock band says it sent the Pentagon a $666,000 bill after a former Guantanamo Bay guard alleged that the US military used their music to torture detainees. Skinny Puppy found out their music was blasted out at the detention center in southern Cuba from a former guard who is a fan of the band, keyboardist Cevin Key told Canada's CTV Television. -snip- Key said band members were "offended" to learn the claims that their music was played at Guantanamo to "inflict damage" on detainees. "I wouldn't want to be subjected to any overly loud music...