Snoop Dogg has joined the list of Live Earth headliners - he'll perform in Germany with former Audioslave star Chris Cornell for the global awareness concert. Snoop will headline the 7 July (07) show at Hamburg's HSH Nordbank Arena. The Live Earth shows, which aim to raise awareness about global warming issues, will also be headlined by Madonna, Crowded House, The Police, Robert Plant and Sarah Brightman in countries as varied as England, America, Australia, China, Bulgaria and Brazil.