Mogwai, the classic lineup of Ultramagnetic MC's, The Pop Group, The Horrors, Silver Mt. Zion and others have been added to the inaugural ATP I'll Be Your Mirror US event in Asbury Park this fall, from September 30-October 2. The event, curated by Portishead, is sold out of three day passes, but single day passes are now available.

Ultramagnetic MC's, with Kool Keith, Ced Gee and TR Love, are back together for the October 1 show, headlined by Portishead. They will be playing on the same bill as The Horrors, The Pop Group and a collaboration between Silver Apples' Simeon and Cluster/Harmonia's Hans-Joachim Roedelius called Silver Qluster. Geoff Barrow's Beak and Foot Village are also confirmed so far.

Sunday's lineup, again headlined by Portishead, includes Mogwai, Thee Silver Mt. Lion Memorial Orchestra, Earth, People of the North, Anika and DD/MM/YY. Street artist Shepard Fairey will DJ.

And Friday's lineup will be without Portishead, but will include the very exciting return of Neutral Milk Hotel's Jeff Mangum, Bonnie Prince Billy, Shellac, Chavez, A Hawk And A Hacksaw, Cults and The Album Leaf. Magnum's additional show on Monday evening at the Paramount Theater is sold out, but fans willing to travel to Minehead, England this December can catch his first ATP curation for the Nightmare Before Christmas festival.

More confirmations will unfold for the festival which also mark Portishead's first East Coast shows in over twelve years.

Single day passes are $99 for October 1-2 and $60 for September 20 (which do not include Jeff Mangum of Neutral Milk Hotel's sold-out show at Paramount Theate