'Maya' singer will offer up the first taste of her fourth album next Monday
M.I.A: “I'm going down to the riots to hand out tea and Mars bars”
Producer says outspoken rapper knows little about world issues
'Paper Planes' singer drafts in big-name hitmakers for new material
'Vickileekx' is available to download now
December line-up also includes Dominique Young Unique and Janelle Monae
Singer joins a host of artists expected on rapper's fifth studio effort