The annual Orion Music Festival is happening in Detroit June 8th-9th and they have just announced their official line-up:

Metallica

Red Hot Chili Peppers

Rise Against

Deftones

Bassnectar

Dropkick Murphys

Gogol Bordello

FLAG

Silversun Pickups

Foals

Tomahawk

Destroid (Excision + KJ Sawka + Downlink)

The Joy Formidable

Datsik

Borgore

Japandroids

Dillon Francis

Adventure Club

12th Planet

Death Grips

The Dillinger Escape Plan

Dirtyphonics

The Dirtbombs

DEATH

Fu Manchu

The Bronx

FIDLAR

All Shall Perish

The Orwells

BATTLECROSS

Cauldron