Creador:
Wyclef JANET JACKSON
P!NK CARLOS SANTANA
JENNIFER HUDSON
JAMIE FOXX
SUGARLAND ADAM LEVINE
JASON MRAZEARTH VIENTO Y FUEGO
NATALIE COLETE JONAS BROTHERS
T PAIN BRIAN WILSON
JUSTIN BIEBER
NICOLE SCHERZINGER
INDIA .ARIE JULIANNE HOUGH
MARY MARY MELANIE FIONA
BEBE GANA MYA
TYRESE GIBSON
ANTHONY HAMILTON
RAPHAEL SAADIQ
GLADYS KNIGHT
KERI HILSON
JOEL & BENJI MADDEN
HEART BRANDY
KIDADA JONES MUSIQ SOULCHILD
MILEY CYRUS
AKON
JORDIN SPARKS
CELINE DION
ROB THOMAS
KATHARINE McPHEE
Jay JEFF BRIDGES
RANDY JACKSON
BUSTA RIMAS
KID CUDI
USHER
WILL.I.AM
KANYE WEST
LL COOL J
ISAAC SLADE (AKA THE FRAY)
SNOOP DOGG
NICOLE RICHIE
p>TREY SONGZ
ETHAN BORTNICK
TARYLL JACKSON
TAJ JACKSON TJ JACKSON
VINCE VAUGHN
DRAKE
FREDA PAYNE
FAITH EVANS
ROBIN THICKE
RASHIDA JONES
BARBRA STREISAND
JIMMY JEAN LOUIS
ENRIQUE Iglesias (Orquesta Zac Brown)
(ZAC BROWN)IGLESIAS)
LIL WAYNE
TONY BENNETT
JOSH GROW BONE MATONES Y HARMONY (BIZZY AR RAHMEN BONES)
FERGIE MARY J BLIGE
ORIANTHI
MANN NIPSEY HUSSLE IYAZ
KEITH HARRIS
NIKKA COSTA
TONI BRAXTON
FARNSWORTH BENTLEY
PLAIN PAT IL TRIO
Otros cantantes:
Pink, Lil Wayne, Kanye West, Nick Jonas, LL Cool J, Robin Thicke, Celine Dion, Akon, Rob Thomas, Wyclef, Jeff Bridges, Vince Vaughn, Barbra Streisand, Jordin Sparks, los hermanos Good Charlotte's Madden, Tony Bennett, Josh Groban, Snoop Dogg, Justin Bieber, Jennifer Hudson, Keri Hilson, Jamie Foxx, Tyrese, Katharine McPhee, Sean Garrett, Will.I.Am, Carlos Santana, Melanie Fiona, Enrique Iglesias, Toni Braxton, Jason Mraz, Miley Cyrus, Busta Rhymes, Nicole Scherzinger, Nicole Richie, Usher, Julianne Hough, Raphael Saadiq, Zac Brown, India. Arie, el juez de "American Idol" Randy Jackson, Musiq Soulchild, Ann y Nancy Wilson de Heart, Fonzworth Bentley, Kid Cudi, Iyaz, Bizzy Bone, Nipsey Hussle, Brian Wilson y Al Jardine de los Beach Boys, Trey Songz, Faith Evans, Mya y Gladys Knight, T-Pain, Fergie