Rapper to play O2 Academy Brixton in November
Plus Robyn, Sleigh Bells and Surfer Blood rock the Helsinki bash
Singer will play at venue underneath Piccadilly Station in November
Fans' 'overwhelming demand' forces MIA to end her set early
Rapper also lays into US TV presenter Oprah Winfrey for giving her the 'cold shoulder'
Singer and rapper says she'll stage a gig after Hard NYC Party slot was cut short
Singer/rapper says 'fuck that shit' as sound is pulled at Hard NYC Party
Plus singer says it's to hear him rap 'metrosexual' on new remix
Gang Gang Dance and The Rapture also play at the city-based festival