In 2007, the Black Eyed Peas embarked on the Black Blue & You World Tour, visiting more than 20 countries, including Macau, Sweden, Poland, Romania, Hungary, South Africa, South Korea, Malaysia, India, Indonesia, Israel, Singapore, China, Russia, Kazakhstan, Australia, Nigeria, Mexico, Thailand, Venezuela, Guatemala, Nicaragua, Costa Rica, Argentina, Philippines, El Salvador and Brazil. This tour was presented by Pepsi, in conjunction with the new "Pepsi More" advertising campaign, featuring the Black Eyed Peas. They recorded the song "More" for the new Pepsi spot. On December 31, 2006, the Black Eyed Peas performed at the last stop on the Monkey Business tour, at Ipanema Beach in Rio de Janeiro, Brazil for more than 1 million people, being their biggest concert ever. The Black Eyed Peas performed at the UK leg of Live Earth on July 7, 2007 at Wembley Stadium, London. will.i.am performed a new song, "Help Us Out", at the event, which is now on his album, Songs About Girls, as "S.O.S. (Mother Nature)". They headlined the main Ocean Stage at the Summer Sonic Festival in Tokyo, Japan on August 11, and Osaka, Japan on August 12, 2007. The act consisted of the group performing their hits, as well as Fergie singing solo tracks from The Dutchess. will.i.am again sang songs from his upcoming album. Already having produced the bulk of the Peas' albums, will.i.am has begun his solo career in earnest by producing and collaborating with a variety of Musicians, most notably Michael Jackson and also including U2, Sérgio Mendes, Carlos Santana, Too Short, Kelis, Cheryl Cole, SMAP, John Legend, Nelly Furtado, Justin Timberlake, Nas and Bone Thugs and Harmony.