Lady Gaga's performance at the iTunes Festival in London on September 1, 2013 marks the superstar's first full concert since the The Born This Way Ball. It is an eight song set containing the world premiere of seven tracks from her fourth album, ARTPOP: 'Aura'; 'MANiCURE'; 'Artpop'; 'Jewels N' Drugs' ft. T.I., Too $hort and Twista; 'Sexxx Dreams', 'Swine'; and 'I Wanna Be With You', a song that...