Britney Spears, Christina Aguilera, Mary J Blige, Bono, Destiny's Child and Michael Stipe are among the artists who have contributed to the single - a version of the Marvin Gaye classic What's Going On?

BBC: Stars release Damilola tribute single

France's National Front has long been anti-euro as well as anti-immigrant, and Marine Le Pen's stand against the single currency contributed a lot to her strong showing in the first round of the presidential election.

ECONOMIST: The euro crisis

He took 80 Championship wickets - including 10 in a single innings - and contributed 723 runs across all competitions, which earned him a stack of awards.

BBC: Coach Gibson tempted by England

One would think an extra income contributed by a grandparent joining the household would help single-parent or even double-parent families.

CNN: Economy sends more kids to grandma's house

For once, Glenn McGrath and Shane Warne did not manage a single wicket between them - although Warne contributed two slip catches to remove openers Gayle and Devon Smith.

BBC: Lee and Bracken proved too much for the West Indies batsmen

Demographic factors such as the growing number of single person households, longer life expectancy and a higher divorce rate have contributed to demand and the upward pressure on prices.

BBC: Head to head: Boom or bust?

The ECB's reluctance to cut rates has contributed to a sharp rise in the euro, which has recently been touching its highest level against the dollar since the single currency was launched in 1999.

ECONOMIST: Trichet in the clear | The