World, Hold On (Children of the Sky)
Kappaleet

5" CD single (3. heinäkuuta 2006) (Iso-Britannia)
"World, Hold On (Children of the Sky)" (Radio Edit) 3:20
"World, Hold On (Children of the Sky)" (Club Edit) 6:35
5" maxi single (EU)
"World, Hold On (Children of the Sky)" (Video Edit)
"World, Hold On (Children of the Sky)" (Radio Edit) 3:18
"World, Hold On (Children of the Sky)" (Club Mix) 8:08
"World, Hold On (Children of the Sky)" (Extended Club Mix) 8:35
12" maxi single (11. toukokuuta 2006) (Saksa)
A-side
"World, Hold On (Children of the Sky)" (Extended Club Mix) 8:35
"World, Hold On (Children of the Sky)" (Axwell Remix) 7:28
B-side
"World, Hold On (Children of the Sky)" (David Guetta & Joachim Garraud Remix) 7:26
"World, Hold On (Children of the Sky)" (Wally Lopez Dub Mix) 9:14
12" maxi single (15. maaliskuuta 2006) (Belgia/Ranska/Espanja)
"World, Hold On (Children of the Sky)" (Club Mix) 8:06
"World, Hold On (Children of the Sky)" (Extended Club Mix) 8:37
12" maxi single (August 2006) (US)
A-side
"World, Hold On (Children of the Sky)" (Rosabel Vocal Mix) 9:52
B-side
"World, Hold On (Children of the Sky)" (Ralphi Rosario Dub) 11:08
12" maxi single (June 2006) (UK)
A-side
"World, Hold On (Children of the Sky)" (Original Version] 6:35
"World, Hold On (Children of the Sky)" (Richard Earnshaw Remix) 8:54
B-side
"World, Hold On (Children of the Sky)" (Sergio Flores Epic Club Mix) 6:53
"World, Hold On (Children of the Sky)" (Sergio Flores AM Dub)
CDE single (Enhanced) (Itävalta/Saksa)
"World, Hold On (Children of the Sky)" (Radio Edit) 3:18
"World, Hold On (Children of the Sky)" (Club Mix) 8:08
"World, Hold On (Children of the Sky)" (Axwell Remix) 7:28
"World, Hold On (Children of the Sky)" (David Guetta & Joachim Garraud Remix) 7:26
"World, Hold On (Children of the Sky)" (Video) 3:37
CDE single (June 2006) (Italia)
"World, Hold On (Children of the Sky)" (Radio Edit) 3:18
"World, Hold On (Children of the Sky)" (Club Mix) 8:08
"World, Hold On (Children of the Sky)" (Axwell Remix) 7:28
"World, Hold On (Children of the Sky)" (David Guetta & Joachim Garraud Remix) 7:26
"World, Hold On (Children of the Sky)" (Wally Lopez Dub Mix) 9:14
"World, Hold On (Children of the Sky)" (Video) 3:37
CDE single (June 2006) (Iso-Britannia)
"World, Hold On (Children of the Sky)" (Original Version) 6:35
"World, Hold On (Children of the Sky)" (Sergio Flores Epic Club Mix) 6:53
"World, Hold On (Children of the Sky)" (Bob Sinclar vs. Harlem Hustlers Remix) 6:50
"World, Hold On (Children of the Sky)" (E-Smoove Vocal Mix) 6:46
"World, Hold On (Children of the Sky)" (Axwell Vocal Remix) 6:27
"World, Hold On (Children of the Sky)" (Richard Earnshaw Remix) 8:54
"World, Hold On (Children of the Sky)" (Video) 3:37
CD single (Australia/EU)
"World, Hold On (Children of the Sky)" (Radio Edit) 3:18
"World, Hold On (Children of the Sky)" (Club Mix) 8:06
Remixes single #1 (heinäkuu 2006) (Italia)
A-side
"World, Hold On (Children of the Sky)" (Bob Sinclar vs. Harlem Hustlers Remix) 9:06
B-side
"World, Hold On (Children of the Sky)" (Harlem Hustlers Penthouse Remix) 8:15
Remixes single #2 (July 2006) (Italia)
A-side
"World, Hold On (Children of the Sky)" (Axwell Remix) 7:30
B-side
"World, Hold On (Children of the Sky)" (David Guetta Remix) 7:29
Remixes single #3 (heinäkuu 2006) (Ranska)
A-side
"World, Hold On (Children of the Sky)" (Axwell Remix) 7:30
B-side
"World, Hold On (Children of the Sky)" (Joachim Garraud & David Guetta Remix) 7:27