What is the nationality of the person who was signed to compose the score and soundtrack of "Dhobi Ghat"?
Dhobi Ghat (film):  Gustavo Santaolalla was signed to compose the score and soundtrack of the film, which includes a song by Ryuichi Sakamoto. Gustavo Santaolalla: Gustavo Alfredo Santaolalla (born 19 August 1951) is an Argentine musician, film composer and producer.
Argentine