More than 30,000 people turned out to watch last year's show

The tracks will be available to download via the internet and donations for each one sold will go towards Mandela's ongoing Aids campaign.

Other contributors to the 46664 1 Year On EP include Eurythmics guitarist David A Stewart and Jimmy Cliff.

The songs are part of the campaign's second South African fundraising gig.

The four one-off collaborations were written especially for the EP which also includes a Queen track featuring former South African president Mandela.

Paul McCartney and David A Stewart have worked together to produce a track entitled Whole Life.

The tunes are available to download throughout the world with the exception of Spain and tracks will be available in the US from 19 January.

The 2005 concert will focus on the plight of women in sub-Saharan Africa, who are most affected by Aids.

It will take place at the Fancourt Hotel and Country Club Estate on 19 March.

The first concert, in November 2003, starred Bono and Beyonce Knowles.

It took place at the Greenpoint Stadium in Cape Town and featured appearances by the Eurythmics, Ms Dynamite, Peter Gabriel, The Corrs and Queen.