Buna :). Stie cineva care sunt toti cantareti din melodia asta, in ordinea in care apar? fundita :)
http://www.youtube.com/watch?v=Glny4jSciVI

Justin Bieber (1:30)
Nicole Scherzinger (1:38)
Jennifer Hudson (1:38)
Jennifer Nettles (1:46)
Josh Groban (1:52)
Tony Bennett (2:02)
Mary J. Blige (2:09)
Michael Jackson (2:22) (recorded clip only)
Janet Jackson (2:27)
Barbra Streisand (2:33)
Miley Cyrus (2:48)
Enrique Iglesias (2:59)
Jamie Foxx (3:10)
Wyclef Jean (3:15)
Adam Levine (3:24)
P! nk (3:29)
BeBe Winans (3:35)
Usher (3:48)
Celine Dion (3:51)
Orianthi (on guitar) 3:59
Fergie Ferguson (4:02)
Nick Jonas (4:19)
Toni Braxton (4:27)
Mary Mary (4:33)
Isaac Slade (4:38)
Lil Wayne (4:48)
Carlos Santana (on guitar) (4:58)
Akon (5:12)
T-Pain (5:39)
LL Cool (Rap)
Will.i.am (Rap)
Snoop Dogg (Rap)
Busta Rhymes (Rap)
Swiss Beats (Rap)
Iyaz (Rap)
Kanye West (Rap)

Chorus (in Alphabetical Order)

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
Keith Harris
Rick Hendrix
Keri Hilson
Julianne Hough
Nipsey Hussle
Il Trio
India.Arie
Randy Jackson
Taj Jackson
Taryll Jackson
TJ Jackson
Al Jardine
Jimmy Jean-Louis
Ralph Johnson
Joe Jonas
Kevin Jonas
Jones
Gladys Knight
Benji Madden
Harlow Madden
Joel Madden
Katharine McPhee
Jason Mraz
Mýa
Plain Pat
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
Brian Wilson
Nancy Wilson