Although the EMI group has frequently registered back-to-back number ones in the 50-year history of the album chart - most recently in February of 2005, when Parlophone act Athlete's Tourist dethroned Virgin's The Chemical Brothers' Push The Button - the EMI label has never had back-to-back number ones until this week, writes Alan Jones
 
It achieves this historic first thanks to David Gilmour's third solo album On An Island replacing rising new star Corinne Bailey Rae's self-titled debut at ...