Get a load of this lineup: TV on the Radio, Patti Smith, The Black Keys, Cee Lo Green, Grace Potter & the Nocturnals, Okkervil River, !!!, Deamau5, former LCD Soundsystem mastermind James Murphy, Two Door Cinema Club, and Alberta Cross are among the artists playing this year’s Virgin Mobile Free Fest.

The show takes place September 10th at Merriweather Post Pavilion.

Also on the bill: Cut Copy, Empire of the Sun, Ghostland Observatory, Bombay Bicycle Club,  and Calvin Harris.

In order to be eligible for the free tickets, which become available, this Friday July 15th, fans will have to click that they “like” the Virgin Mobile LIVE page on Facebook.