Jay-Z has revealed the preliminary lineup for the inaugural Made in America music festival, set for September 1st and 2nd at Fairmount Park in Philadelphia. Pearl Jam joins Hov at the top of the bill, while other notables include D’Angelo, Skrillex, Rick Ross, Passion Pit, Santigold, Miike Snow, Odd Future, Janelle Monáe, and Dirty Projectors.

Also confirmed are Calvin Harris, Afrojack, Wale, Meek Mill, X, Prince Royce, Rita Ora, Savoy (DJ set), and The Knocks. In all, some 30 acts will perform during the two-day event.

Tickets will go on sale May 23rd with a portion of the proceeds benefiting United Way of Greater Philadelphia and Southern New Jersey. Visit the festival’s website for more information.