However eclectic your music collection, it would still need to go some way to match the sheer range of tracks shared by villagers swapping songs via Bluetooth and Sim card in the Sahara. Bollywood classics, Algerian Rai, Kuduro, French ballads – this is just a sample grab of the kind of sounds doing the rounds there, many of which can be found on Music from Saharan Cellphones, a mixtape put together by Portland-based blogger Christopher Kirkley.