Fans are in for a huge show when Kings of Leon and Jimmy Eat World take the stage to perform at Apple's iTunes Festival 2013 on Wednesday, Sept. 11.

Kings of Leon will likely play several songs off their upcoming album Mechanical Bull, which is due out on Sept. 24. Their lead single Supersoaker clocked in at No. 10 on last week's Billboard Alternative chart.

For those who can't be in London, fans can watch all the highlights live and online. Watch the iTunes Festival Live Stream.

Every night in September, fans can watch their favorite artists perform at the Roundhouse arts center in London without going across the pond, and this year's lineup proves to be one of their biggest ever.

You can watch on your computer at the iTunes store, Apple TV users can watch in HD from the main page or you can download the iTunes Festival app to your phone or iPad.

The festival kicked off on Sept. 1 with Lady Gaga. Closing the festival is Katy Perry, who announced her involvement on her Twitter feed.

In between Gaga and Perry, huge music stars like Justin Timberlake, Elton John, The Pixies, Kings of Leon, Queens of the Stone Age and Robin Thicke, will take the stage.

Each headlining act is scheduled to perform at 9:00 p.m. London time, which translates to 4 p.m. EST.

If you miss it, many acts can be viewed for a limited time after the concert, and of course, iTunes will be selling some of the performances at the iTunes store.

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Itunes festival 2013