Radio 1 will start to broadcast highlights from each Wednesday's midweek chart, which will spoil it for those record industry insiders who use the midweeks to make magical predictions about the next weekend's Top 10.

The midweek chart will be revealed on the Greg James show on the BBC station at 3.30pm each Wednesday, with new entries and big climbers getting some airplay. Exposure which might help further solidify early-week high performers' positions in the overall chart the following Sunday.

Official Charts Company MD Martin Talbot told reporters: "The launch of this official chart update will mean that, for the first time, music fans will get a reliable insight into how the race for number one is shaping up, ahead of the announcement of the weekly official singles and albums charts on BBC Radio 1 every Sunday. It will bring the chart to music fans across the country throughout the week".