Erasure have always been full of surprises. In two decades of plugging in and wigging out, Vince Clarke and Andy Bell have sold millions of albums around the world, staged Broadway-style live spectaculars, and topped the charts with outlandish cover versions. The latest Book of British Hit Singles ranks the duo among the Top 100 Most Successful Acts of All Time and in 2005 The Times proclaimed them more important than Kraftwerk in the great history book of rock.