Contrasting fortunes for the singles and albums sectors this week, with the number one single recording another all-time low, while the number one artist album registers the highest sale for more than a year, writes Alan Jones.

On the singles chart, Eric Prydz's Call On Me is number one again - and for the second week in a row it clawed its way back to the top after trailing in the midweek sales flashes. Last week it overcame Duncan James ...