Describing their sound as "sex rock," Chicago-based indie rock trio Bang! Bang! has enough raw energy and frantic rhythms to start a erotic revolution all by themselves, though their hot-wired blasts of chock-a-block guitar and crashing drums aren't exactly the stuff of the quiet storm. Bang! Bang! was founded in 2002 when guitarist and vocalist Jack Flash met bassist and vocalist Gretta Fine; depending on when and where they tell the story, they either bumped into one another at a party or Flash spotted Fine while she was roller-skating in her lingerie. Either way, the two hi...