Mariah Carey , Stevie Wonder , Lionel Richie , Jennifer Hudson , Usher , Jermaine Jackson , and Shaheen Jafargholi sang Vocalizations Jackson 's songs , and John Mayer played guitar .

The Wonder World Tour was the second concert Social_event tour by American recording Recording artist Create_artwork Miley Cyrus .

It began Process_start in September 2009 and concluded Process_end in December 29 , visiting cities in the United States and United Kingdom ; thus , the Wonder World Tour became Becoming Cyrus ' first world tour .

All tickets from the Wonder World Tour were sold Commerce_sell using Using paperless ticketing Self_motion , in order to prevent Preventing_or_letting ticket scalping similar to what had occurred Presence during Cyrus ' previous tour .

The Wonder World Tour has been described Statement as part of Cyrus ' transitional period , with more elaborate and edgier characteristics .

The Wonder World Tour was commercially successful despite the final recession that was present Presence in 2009 .

A filtered version of the Wonder World Tour was broadcast on the American Broadcasting Company ( ABC ) on June 18 , 2010 and received Receiving a total of over 2.6 million viewers .

The spectacle was entitled Name_conferral Isles of Wonder and directed by Academy Award-winning British film director Danny Boyle .

Artists such as Whitney Houston , Mariah Carey , Rod Stewart , Charles Aznavour , Stevie Wonder , Alicia Keys , Shakira , Justin Timberlake , Jennifer Lopez , Enrique Iglesias , Christina Aguilera , Rihanna , Ricky Martin , Pharrell Williams , Iggy Azalea , Wiz Khalifa , Pitbull , Kanye West , Scorpions , La Fouine , Maître Gims , Damso , Booba , French Montana , Usher , Avicii , Akon , David Guetta , DJ Snake , Hardwell , Placebo , The Chainsmokers , Maroon 5 , The Jacksons , Sugababes , Chic , Evanescence , Chris Brown , Luis Fonsi , Bruno Mars , Nick Jonas , Stromae , Jason Derulo , Juanes , Lenny Kravitz , The Weeknd , Kylie Minogue , Demi Lovato , Ellie Goulding , Sting , Julio Iglesias , Ennio Morricone , Robert Plant , Cat Stevens , B.B .

During this era of the festival , it was custom that one version of the song was performed Hold by a native Italian artist while the other version was performed Hold by an international guest artist. , and that was the way for many international artists to debut Process_start with hits Bodily_harm in Italian market in those years , such a case for Louis Armstrong , Stevie Wonder , Jose Feliciano , Roberto Carlos , Paul Anka , Yardbirds , Marianne Faithfull , Shirley Bassey , Mungo Jerry and many others .