Regarded by many as one of the greatest singers in rock music, Robert Plant is known for his flamboyant persona and raw stage performances. In 2008, Rolling Stone editors ranked him number 15 on their list of the 100 best singers of all time. In 2011, Rolling Stone readers ranked Plant the greatest of all lead singers. In 2006, Hit Parader magazine named Plant the "Greatest Metal Vocalist of All Time". In 2009, Plant was voted "the greatest voice in rock" in a poll conducted by UK classic rock radio station Planet Rock. [photo taken at West Coast Blues and Roots Festival in Freemantle, Australia in 2013]