The Hartland Performing Arts Center is the spot for the Back To School Throwdown 2009 on Saturday, September 12. Ten local heavy metal bands will perform including “Before Their Eyes”, “The Yellow Sign”, “Siren the Escape”, “Leviathan”, “Bahamut”, “We’ll Watch it Burn”, “Know Lyfe”, “Abduct the Oath” and “Doctor Doctor”. The new Pinckney-area band “Break the Day” …