Madonna has some new material

Madonna has written a new song called Hey You for London's Live Earth concert this summer. She will perform the song at Wembley on July 7.

It's her first new release since her Confessions On A Dance Floor album back in 2005. Pharrell Williams is said to be on the track.

The nine Live Earth shows will take place all around the world to highlight the global warming crisis. Word is James Blunt, Genesis and the Red Hot Chili Peppers are also performing.