http://www.brooklynvegan.com/archives/2012/02/orion_music_mor.html
Metallica headlines both nights, doing the Black Album cover to cover one night.
Other bands include
Arctic Monkeys Avenged Sevenfold
Modest Mouse The Gaslight Anthem
Cage The Elephant F***ed Up Best Coast
Hot Snakes Titus Andronicus
Gary Clark Jr. Lucero Roky Erickson
The Black Angels The Sword
A Place to Bury Strangers Liturgy
+ more TBA