Portishead is headlining the upcoming ATP show in July, but Grinderman was just added to the list, much to the excitement of many.  Doom, Beach House, Swans, The Books and Liars are also to be in attendance along with a number of other bands.  

The show is curated by Portishead and ATP and takes place at the Alexandra Palace in London on July 23 and 24.  The line-up so far is as follows:

Saturday July 23rd

Portishead
Doom
Company Flow
The Books
Factory Floor
Beak>
+ More

Sunday July 24th

Portishead
Grinderman
Swans
Beach House
Liars
The Passion of Joan of Arc
Anika
+ More

You can pick up tix here.