An event celebrating David Attenborough’s 100th birthday is taking place at Royal Albert Hall next month and will feature performances from Sigur Rós and Bastille . READ MORE: Sigur Rós – ‘ÁTTA’ review: their first record in a decade is a welcome comeback The live event is being organised by the BBC and will celebrate the life and career of the iconic British broadcaster, natural historian and writer. Hosted at the historic London venue, the night will be broadcast live and hosted by Kirsty Young. Guest speakers include Sir Michael Palin, Steve Backshall and Chris Packham, and there will also be musical performances from some of the artists featured in his hit Planet Earth TV series. Bastille frontman Dan Smith will be performing a classical version of their massive ‘Pompeii’ with the BBC Concert Orchestra, following the track being used in Planet Earth III . Icelandic post-rock legends Sigur Rós will also be performing their classic ‘Hoppípolla’.…