Outkast fans, get ready to shake it like a Polaroid picture at this year's Treasure Island Music Festival in San Francisco. The two-day event just announced its lineup, and it's as stellar as it is every year: headliners Outkast and Massive Attack will join Janelle Monáe, Alt-J, The New Pornographers, Banks, Ryan Hemsworth and many more.

The festival takes place October 18th and 19th on the scenic Treasure Island, which sits between San Francisco and Oakland and overlooks the Golden Gate Bridge and Alcatraz. Tickets go on sale June 19th, so bookmark this page until then. Check out the full lineup here.

Treasure Island Music Festival

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