Trent Reznor is an American musician, singer, songwriter, record producer, and composer. He formed Nine Inch Nails. Reznor began composing film scores with Atticus Ross, winning an Academy Award and Golden Globe Award for the soundtrack to The Social Network and a Grammy Award for The Girl with the Dragon Tattoo. He has also released popular songs such as Mantra with Josh Homme and Dave Grohl, True with Danny Elfman, and Driver Down. He has appeared in the documentary Score: A Film Music Documentary and the series The Defiant Ones.