U2 frontman Bono has recorded a new charity song with R+B star Alicia Keys as part of his ongoing campaign to save lives in Africa.

The pair have adapted Peter Gabriel and Kate Bush's heartfelt classic SO and retitled it DON'T GIVE UP (AFRICA). All proceeds will go to AIDS and HIV charity Keep A Child Alive.

Keys, who is also a global ambassador for the charity, tells the New York Daily News, "I love this song. And I love Bono. I really respect what he has done for Africa and how he has used his fame to do good in the world. I hope I can do half as much in my life.

"I believe AIDS is the most important issue we face, because how we treat the poor is a reflection of who we are as a people. I urge everyone to recognise the extreme disaster Africa is facing and step up for the Motherland."