R&B superstar Usher will headline the Marcus Amphitheater during this year's Summerfest on Wed, June 30 at 7:30 p.m.

Usher is touring in support of his sixth studio album, "Raymond vs. Raymond," which dropped on March 30. It's his third consecutive album to debut at No. 1 on the U.S. Billboard 200 chart and features collaborations with will.i.am, Ludacris, Diddy and T.I.

Tickets to the show go on sale Sat., May 1 at 10 a.m. and can be purchased at the Marcus Amphitheater Box Office, Ticketmaster Ticket Centers, online or by calling (800) 745-3000.

All tickets include admission to Summerfest, which runs from June 24 to July 4.