Here's some of the bands that are going to play worldwide on the Live Earth show
USA:
The Police
AFI
Akon
Smashing Pumpkins
Kanye West
Ludacris
Alicia Keys
UK:
Beastie Boys
Madonna
Red Hot Chili Peppers
Duran Duran
Genesis
Foo Fighters
John Legend
Australia:
A lot of shit band hardly anyone heard of
Japan:
Not available yet, rumours are Linkin Park will headline
China:
Not available yet
South Africa:
Josh Stone and UB40 will headline
Brazil:
Lenny Kravitz
Pharell
Germany:
Chris Cornell
Snoop Dog
Shakira