 Leading Australian performing artists have included Robert Helpmann of the Australian Ballet, Joan Sutherland of Opera Australia and the humourist Barry Humphries.Prominent Australian musical artists have included the Australian country music singer Slim Dusty, rising star Cody Simpson, folk-rocker Paul Kelly, "pop princess" Kylie Minogue and rock n roll bands the Bee Gees, AC/DC, INXS and Powderfinger.Quintessentially Australian art styles include the Heidelberg School the Hermannsburg School and the Western Desert Art Movement.