Organizers also outlined two potential scenarios for the weekend.
The film's soundtrack will feature an impressive 24 songs.
The festival's mainstage was destroyed by fire on Wednesday (July 16), just two days before the start of the Belgian dance mega-festival.
The Belgian dance mega-festival is scheduled to start on July 18.
Other recent artist signings include Mandopop artist David Tao, pop-punk singer-songwriter Taylor Acorn and rising country artist Trey Pendley.
The first California wine country edition of the event happens in October at The Meritage Resort & Spa.
"It's important to stress how advanced, inoperable and untreatable this particular tumor is," the Crowdfunder page notes.
The Dewaele brothers announced their first album in seven years, All Systems Are Lying, with a pair of new singles released July 9.
Her first independently released album bows at No. 1 on Top Album Sales, Vinyl Albums & Top Dance Albums.
Waiting For the Drop: Rise of the Superstar DJs tracks the apex of EDM and will be released digitally later this summer.
