Gustavo Santaolalla is the music composer for On The Road
Gustavo Santaolalla is the one who composed the music On the Road Walter Salles’s film with Kristen Stewart and Viggo Mortensen.
Source: http://twitter.com/alexispuig/status/22197996836 (he has some good info about filming in Argentina)
So, Gustavo Santaolalla has won 2 Oscars for Babel and Brokeback Mountain. He has also been nominated and won many other awards.
Check out his IMDb: http://www.imdb.com/name/nm0763395/
