All Tomorrow’s Parties has announced its fourth annual New York-Area Music Festival, called I’ll Be Your Mirror, slated for the weekend of Sept 30 – Oct 2, 2011. The event will be curated by UK trip-hopsters, Portishead, and will also feature rare performances from Jeff Mangum, formerly of Neutral Milk Hotel. Other confirmed bands include Chavez, Shellac, Cults and the Album Leaf, with many more bands still TBA.

For 2011, ATP will also be moving away from Kutsher’s Resort in Monticello, NY, to a new ocean-side location in Asbury Park, NJ, with shows being held at the Convention Hall and the Paramount Theatre. Read on for the current lineup and ticket info.

ATP 2011 Lineup (so far):

Friday September 30 (curated by ATP) :
Jeff Mangum (Neutral Milk Hotel) (3-day passholders only)
Shellac
Chavez
Cults
The Album Leaf
+ more TBA
Friday will also feature a Comedy Stage.

Saturday October 1 (curated by Portishead):
Portishead
+10-15 more acts TBA

Sunday October 2 (curated by Portishead):
Portishead
+10-15 more acts TBA

Monday October 3:
Jeff Mangum (Neutral Milk Hotel) @ Paramount Theatre, Asbury Park, NJ.

Ticket info:
Limited 3-Day Passes are available for $249
(includes access to the Jeff Mangum Friday show and rest of the festival)

Friday Day Passes are $60
(not including the Jeff Mangum show at Paramount)

Saturday Day Passes are $99
Sunday Day Passes are $99

Jeff Mangum will also play a separate solo headline show on the Monday night, for $35.

Tickets go on sale Friday, January 28 at 9am via TM.