Rollingstone.com has a teaser for George Michael: Freedom which includes Elton.
Michael worked on the documentary before his death, narrating the film and co-directing it. The brief trailer for the movie mixes footage of the singer onstage and interviews with famous artists discussing his artistry.
"George was authentic," Elton declares.
Mary J. Blige adds:
"You could hear pain, you can hear joy, you can hear everything in George Michael's voice."
George Michael: Freedom was broadcast yesterday on Channel 4 in England. It debuts on Showtime for American viewers on October 21st.
Stevie Wonder, James Corden, Mark Ronson and Naomi Campbell are among the other participants.