Conductors: Quincy Jones, Lionel Richie
Soloists (in order of appearance):
Justin Bieber, Nicole Scherzinger, Jennifer Hudson, Jennifer Nettles, Josh Groban, Tony Bennett, Mary J. Blige, Michael Jackson (stock footage), Janet Jackson, Barbra Streisand, Miley Cyrus, Enrique Iglesias, Jamie Foxx, Wyclef Jean, Adam Levine, Pink, BeBe Winans, Usher,
Celine Dion, Orianthi (on guitar), Fergie, Nick Jonas, Toni Braxton, Mary Mary, Isaac Slade, Lil Wayne, Carlos Santana (on guitar), Akon, T-Pain, LL Cool J (rap), Will.i.am (rap), Snoop Dogg (rap), Busta Rhymes (rap), Swizz Beatz (rap), Iyaz (rap), Nipsey Hussle (rap), Kanye West
Chorus:
Michael Bublé, Patti Austin, Philip Bailey, Fonzworth Bentley, Bizzy Bone, Ethan Bortnick, Jeff Bridges, Zac Brown, Brandy, Kristian Bush, Natalie Cole, Harry Connick Jr., Nikka Costa, Kid Cudi, Faith Evans, Melanie Fiona, Sean Garrett, Tyrese Gibson, Anthony Hamilton, Rick Hendrix, Keri Hilson, Julianne Hough, Nipsey Hussle, India.Arie, Randy Jackson, Taj Jackson, Taryll Jackson, TJ Jackson, Al Jardine, Jimmy Jean-Louis, Ralph Johnson, Joe Jonas, Kevin Jonas, Nick Jonas, Rashida Jones, Gladys Knight, Benji Madden, Harlow Madden, Joel Madden, Katharine McPhee, Jason Mraz, Mýa, Freda Payne, A. R. Rahman, RedOne, Nicole Richie, Raphael Saadiq, Trey Songz, Musiq Soulchild, Jordin Sparks, Robin Thicke, Rob Thomas, Vince Vaughn, Verdine White, Ann Wilson, rian Wilson, Nancy
