HURSTON MOORE, EARTH, THE NEW PORNOGRAPHERS, LIARS, THE PONYS, DEERHUNTER, BISHOP ALLEN, VON SÜDENFED, JOHN VANDERSLICE, BRACKEN, THE ETTES, CRYSTAL CASTLES, KODE9 & THE SPACEAPE, JOSEPH ARTHUR & THE LONELY ASTRONAUTS, NO AGE, PARTS & LABOR, LAGARTIJA NICK (PERFORMING "INERCIA"), STARS OF THE LID, SCHWARZ, CASTANETS, JET LAG, FANFARLO, AINARA LEGARDON, NISEI, LE JONATHAN REILLY, THE RIGHT ONS, SANJOSEX, RUIZ PANTALEÓN, ALBAIALEIX, EL GUINCHO, HER ONLY PRESENCE.

I had no idea this was even happening. There's some good stuff on there.
http://www.primaverasound.com/index.php?idioma=en