The lineup has been revealed for the 2012 Osheaga Music and Arts Festival, set to take place at Montreal’s Parc Jean-Drapeau from August 3-5. The Black Keys, Snoop Dogg, Sigur Rós, and Justice are set to headline with additional acts including MGMT, Florence and the Machine, Plants and Animals, M83, Franz Ferdinand, Yeasayer, Portugal. the Man, Black Lips, The Black Angels, Tame Impala and many more. Additional acts will be added next month. See below for the full lineup.

Three-day passes will go on sale today at 12PM ET. Visit the festival’s website for info on tickets.

Osheaga 2012 Lineup

The Black Keys
Snoop Dogg
Justice
Metric
Sigur Ros
Feist
Florence and the Machine
City and Colour
The Shins
MGMT
The Weeknd
Bloc Party
M83
Franz Ferdinand
Garbage
Amadou & Mariam
Brand New Dumas
A$AP Rocky
Yeasayer
Young the Giant
Down With Webster
Plants and Animals
Madeon
Passion Pit
Zed’s Dead
Calexico
Classified
The Raveonettes
Aloe Blacc
The Sheepdogs
Black Lips
Portugal, The Man
The Walkmen
Kathleen Edwards
Of Monsters and Men
Bombay Bicycle Club
Zola Jesus
Woodkid
Little Dragon
Arkells
Austra
Tame Impala
Gary Clark Jr.
Black Angels
James Vincent McMorrow
Atlas Sound
Dum Dum Girls
Les Breastfeeders
Michael Kiwanuka
The Death Set
Graffiti6
Young Galaxy
The Jezabels
Dan Mangan
Zeus
Huoratron
Half Moon Run
Freelance Whales
Brandt Brauer Frick
Le Matos
Kandle
Hey Ocean!
Karim Oullet
Propofol