Natanael Cano will also make a special appearance at the weekend-long festival.
The Sacramento event Is Golden State's biggest event for rock, metal and hardcore
Their rescheduled performances air Saturday (March 1) only on Billboard.com in the U.S. Find out how to watch here.
Performances will livestream only on Billboard.com in the U.S. All details on how to watch here.
The Welsh festival will take place on August 14-17.
Alice Cooper, The Darkness, Three Days Grace, 311 and Tom Morello will also play the August rager.
Morat and Sebastián Yatra are now performing on Saturday, according to a statement.
Lenny Kravitz, Sublime, Cage the Elephant, Vampire Weekend and Public Enemy will also perform in Atlanta's Piedmont Park this September.
The performances are part of the international festival that begins Feb. 23. Watch it on Billboard here.
The August 1-3 fest in Montreal will also feature Glass Animals, Doechii, Gracie Abrams, Chainsmokers, Shaboozey and Jamie XX.
