All Tomorrow's Parties will present the UK's first 'I'll Be Your Mirror' event. The two day event, which will be curated by Portishead and ATP, takes place on the weekend of July 23rd and 24th 2011 at London's Alexandra Palace.

Portishead, who are set to headline both nights will be joined each day by a different stunning line-up. Tickets for the event cost £59 per day with weekend tickets priced at £100. Although, a limited amount of early bird tickets will be available at £50 per day or £90 for the weekend.

  • Saturday 23rd July
  • Portishead
  • Mf Doom
  • Company Flow (Original line-up)
  • The Books
  • Factory Floor
  • Beak>
  • + More to be announced
  • Sunday 24th July
  • Portishead
  • Swans
  • Beach House
  • Liars
  • The Passion of Joan of Arc
  • Anika
  • + More to be announced

Tickets for the event will go on sale Friday 26th November at 9am from