confirmed today:

múm
Harmony Rockets performing Paralyzed Mind of the Archangel Void
Th' Faith Healers
School Of Seven Bells

so lineup is now:

My Bloody Valentine, Sonic Youth, De La Soul, EPMD, Sun Ra Arkestra, The Horrors, Buzzcocks, Spectrum, Fucked Up, Le Volume Courbe, Wounded Knees, The Pastels, Witch, Lilys, A Place To Bury Strangers, J Mascis and the Fog, Bob Mould, Swervedriver, Dirty Three, Primal Scream, Serena Maneesh, Yo La Tengo, Brightblack Morning Light, The Membranes, Josh T Pearson, Ariel Pink, Lightning Bolt, That Petrol Emotion, múm, Harmony Rockets performing Paralyzed Mind of the Archangel Void, Th' Faith Healers and School Of Seven Bells

about 5 chalets left on www.seetickets.com
more info at www.atpfestival.com