A celebration of Arabic people power and the events in Tahrir Square, with a line-up of artists who helped to create a soundtrack to Egypt's revolution including singer-songwriter Ramy Essam, street music ensemble El Tanbura, Azza Balba – representing poet Ahmed Fouad Negm – and singer, composer and oud virtuouso Mustafa Said. Part of the Shubbak festival of contemporary Arab culture; for full details see www.london.gov.uk/shubbak