HOW DO THE CHARTS WORK? Since I was last properly paying attention in the late 90s, its significantly changed. And rightly so. It was purely physical record sales in my day and had been since the charts, first known as the ‘hit parade’ began. But, that no longer represents pop music consumption. In 2005, downloads were incorporated into the chart. This changed the make up of the chart as tracks other than currently widely available single releases could be downloaded. I reme