Its free and has 5 tunes from all the artists on the tour. Its not as exciting as him dropping Ghosts and The Slip but hey you get free Deerhunter and A Place To Bury Stragers tunes, unless you already have them all. Trak list:

a place to bury strangers:
to fix the gash in your head
does it offend you, yeah?:
we are rockstars
crystal castles:
crimewave (crystal castles vs HEALTH)
deerhunter: like new
nine inch nails: echoplex

http://dl.nin.com/lightsinthesky/signup