Austin Wintory chats with composer Gustavo Santaolalla to discuss his work on The Last of Us series; his start with music in Argentina with the band Arco Iris and its lasting influence in his work; his approach to the artistry of musical scores; working on Oscar winning films; and the beauty of "wrong notes."  Gustavo Santaolalla is best known for his work on The Last of Us video games as well as films including Amores Perros, The Motorcycle Diaries, Brokeback Mountain (for which he received an Academy Award), and Babel (for which he received his second Academy Award).  Follow us on Twitter @Official_AIAS, Facebook or visit us at interactive.org.