Past:
Justin Timberlake, Kanye West, LL Cool J, Will Smith, The Roots, Celine Dion, Musiq Soulchild, John Legend, Kirk Franklin, Jill Scott, AC/DC, Tori Amos, George Clinton, Neyo, Christina Aguilera, India Arie, Backstreet Boys, Whitney Houston, Jaguar Wright, Mariah Carey, Eryka Badu, Teddy Pendergrass, McFadden and Whitehead, Leon Huff, Mary J. Blige, Mark Ronson, Toni Braxton, Boyz II Men, Clap Your Hands Say Yeah, Jennifer Lopez, Kelly Clarkson, Esmee Denters, Dr. Dog, Freeway, Al Green, Laura Izibor, Rodney Jerkins, R. Kelly, Brandy, Mya, Kindred, Talib Kweli, G Love, Amos Lee, Reba McEntire, Mstrkrft, N.E.R.D., Common

2010:
The Roots, Black Eyed Peas, Jill Scott, Queen Latifah, Jazmine Sullivan, Kirk Franklin, Marsha Ambrosius, Tye Tribbett, Bedouin Soundclash, Kid Cudi, Daryl Hall, CJ Hilton, Mario, Tuphace, Christette Michelle, Chromeo , Williow Smith