5 Seconds of Summer, Pharrell and Kylie Minogue to play 2014 iTunes Festival

A number of acts for this year's iTunes Festival have been announced.

The music company will host their annual month-long residency at London's Roundhouse venue in September and a host of big names will appear.

5 Seconds of Summer, Pharrell Williams, Kylie Minogue and Maroon 5 will all take to the famous stage during the festival.

They are joined on the bill by Beck, Sam Smith, David Guetta, Calvin Harris, Blondie, Chrissie Hynde, Kasabian, Robert Plant, Kiesza and Jungle.

The concerts, which are free to attend, are due to be streamed across the world to fans at home.

Eddy Cue, Apple's senior vice president of internet software and services, commented: "These live shows capture the heart and soul of iTunes and we love bringing them to our customers in the Roundhouse, as well as to the millions of people watching all over the world for free."

Watch some of this year's acts in action below: