May 25– May 27, 2012
London, England (Alexandra Palace)
£130 (3-Day): £39 (Fri); £59 (Sat or Sun)
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 series of artist curated music, film and art events taking place in cities worldwide.
| A Storm Of Light | official |
| Antoni Maiovvi | official |
| Archers of Loaf | official |
| Balam Acab | official |
| Bill Wells and Aidan Moffat | official |
| Blanck Mass [new!] | official |
| Chavez | official |
| Codeine | official |
| Death Grips | official |
| Demdike Stare | official |
| El-P [new!] | official |
| Floor | official |
| Forest Swords | official |
| Harvey Milk | official |
| Irmin Schmidt & Jono Podmore present The music of Can [new!] | official |
| Melvins | official |
| Mogwai | official |
| Mudhoney | official |
| Siskiyou | official |
| Slayer performing Reign In Blood | official |
| Sleep | official |
| Sleepy Sun | official |
| Tall Firs | official |
| Tennis | official |
| The Afghan Whigs | official |
| The Dirty Three | official |
| The Make-Up | official |
| The Soft Moon | official |
| Thee Oh Sees | official |
| Ultramagnetic MCs | official |
| Umberto | official |
| Wolves in the Throne Room | official |
| YOB | official |
| Yuck | official |
No one is attending this festival yet