Variety: The music is remarkable. Had you composed before? What instruments did you use?
Cabras: We were looking for something intense, essential. My dream was something like "Nina Simone meets Nusrat Fateh Ali Khan with Jeff Buckley and a choir of traditional Sardinian singers"! But together with the composer, maestro Alessandro Molinari, we produced a score we are very proud of. Kamal Sabri, probably the best sarangi (Indian violin) player in the world, plays some heartbreaking tunes. Max Urso from Honduran group Khaoticos created a torrid, open-ended theme. Other musicians come from Matera and Sardinia, and Enkh Jargal comes from Mongolia.