Lady Gaga joins iTunes Festival 2013 lineup

Lady Gaga has confirmed to appear at the iTunes Festival in London this year.

The news that the Mother Monster would play her new songs at the event have long circulated through the network, even though no official announcement has been made.

In her Twitter Gaga said she will play "just one hour of new music" and asked that the "monsters" of the UK to prepare.

Gaga will open the festival which will run throughout the month of September. Besides Gaga, iTunes Festival 2013 lineup will also feature singers such as Elton John, Pixies, Kings Of Leon, and at the end, Justin Timberlake. The concerts are free and take place at the Roundhouse, a hall with a capacity of just over 3000 people.

Here is the list of musicians who will attend the iTunes Festival this year:

Lady Gaga
Sigur Rós
The Lumineers
Rizzle Kicks
Queens of the Stone Age
Arctic Monkeys
Jake Bugg
Kings of Leon
Elton John and Tom Odell
Chic featuring Nile Rodgers, Janelle Monáe
Vampire Weekend and The Olms
Jack Johnson and the Bahamas
Ludovico Einaudi
30 Seconds to Mars
Primal Scream
Jessie J
Pixies and NO CEREMONY
Tinie Tempah
John Legend and Robin Thicke
Justin Timberlake