snipped from the article

If all goes well, Live Earth will be the biggest concert in history, a twenty-four-hour event spread across nine cities, with the Police, Kanye West and Dave Matthews Band (in New York); Madonna, Genesis and Red Hot Chili Peppers (London); Linkin Park (Tokyo); Snoop Dogg (Hamburg); and Jack Johnson (Sydney) topping the bill (see map below for information). With just weeks to go before the July 7th event, Wall and his team are scrambling to nail down artists, arrange travel and lodging for performers and crew, sell hundreds of thousands of tickets, and coordinate TV and Internet outlets that will broadcast the event around the globe.

Live Earth grew out of Gore's ...
http://www.rollingstone.c...dium=email

Prince is playing in MLPS that day and night.