Andrea Tyler
Mary J. Blige, Andrea Bocelli, Phil Collins, Robert Downey, Jr., Josh Groban, Elton John, Katie Melua, Kelly Osbourne, Ozzy Osbourne, Pink, Gavin Rossdale, Ringo Starr, Gwen Stefani, Rod Stewart, Steven Tyler and Velvet Revolver
Tears In Heaven
Ozzy Osbourne, Gwen Stefani, Mary J. Blige, Pink, Slash, Duff Rose McKagan, Steven Tyler, Elton John, Ringo Starr, Andrea Bocelli, Katie Melua, Josh Groban, Scott Weiland, Robbie Williams, and Rod Stewart. Ozzy Osbourne and Kelly Osbourne
Tears In Heaven