Slayer, Mogwai and Guided By Voices have all been confirmed as headliners for 2012's ATP 'I'll Be Your Mirror' event.

The event, to be held at London's Alexandra Palace on May 25-27, will see Slayer perform their classic 1986 album 'Reign In Blood' in full as part of their set on May 25.

Bands confirmed so far for the event have been confirmed as follows:

Friday (May 25)

Slayer
The Melvins
Sleep

Saturday (May 26)

Mogwai
Mudhoney
Codeine

Sunday (May 27)

Guided By Voices
Yuck

Tickets for the event go on sale on Friday November 11 from 10am.