Guns N' Roses are as hard as they are adventurous. One of the biggest rock acts of their generation, they've kicked out a discography is littered with paranoid prog epics (“Coma”), back-alley twang (“You Ain't the First”) and hypersexual funk-metal (“Anything Goes”). Then there's the album Chinese Democracy, which boasts a treasure trove of eccentrically constructed art rock nuggets.