If you don’t like the sound of Swedish dance music and perfectly symmetrical hands-in-the-air moments, look away now.  If on the other hand, you’re not averse to the odd radio-friendly piano break, meet 21-year-old DJ and producer Avicii, aka Tim Bergling, who’s mixed the most recent Strictly Rhythm compilation, 2011’s Strictly Miami. Avicii’s CV already boasts […]