Footage has emerged of choir 'Some Voices' performing Beastie Boys' 'Intergalactic' at a David Bowie memorial concert in Brixton, London.br br The video, captured in April but uploaded in the wake of Beastie Boys founding member John Berry's death, shows the choir doing a rendition of the rap group's hit single.br br "The audience was alive and buzzing. It was extremely uplifting and had us all dancing on throughout the evening," the filmer wrote online.