Madonna adds another 4 Minutes to her 27 weeks spent at chart summit.

Half of Madonna's 12 previous number one singles spent a single week at number one but 4 Minutes has no intention of surrendering its title yet, and on its second week at the chart summit it moves further ahead of the chasing pack, securing sales of 49,771 copies following its release on CD.

Madonna's one week wonders: True Blue, Who's That Girl, Frozen, American Pie, Music and Sorry. Those that stuck around longer: Into The Groove, Papa Don't Preach, La Isla Bonita, Like A Prayer, Vogue and Hung Up. All told, Madonna has spent 27 weeks at number one, the same as Take That. The only acts with more weeks at number one are Elvis Presley, The Beatles, Cliff Richard, Frankie Laine and Abba.

With Estelle and Kanye West's American Boy falling 2-3 on sales of 26,092, the new runner-up is Sam Sparro, who hops up to a higher perch again with his debut hit Black And Gold, which has thus far moved 23-4- 4-2-3-2, with cumulative sales of 142,204, including 31,078 last week.

Increasing its sales and improving its chart position for the seventh time in a row, Scouting For Girls' fourth single Heartbeat continues to grow stronger. Since it first showed up in the Top 200 in March, it has moved ...