All Tomorrow's Parties present the third UK I'll Be Your Mirror event, which will be curated by Yeah Yeah Yeahs and Grizzly Bear (who both play at the festival) and ATP.  Acting as sister events to the world famous ATP Festivals which usually take place in holiday resorts, and named after the b-side to The Velvet Underground's original All Tomorrow's Parties 7" single, I'll Be Your Mirror is a new series of artist curated music, film and art events taking place in cities worldwide, and the London event promises to be an incredible 2 days of the best music, art and film in the Capital.