Writing in the SandSometimes a musical revolution can erupt from the most unlikely of places. Long before they were ARIA Hall of Fame inductees, Yothu Yindi were a band of Yolngu (Aboriginal people of north east Arnhem Land) and balanda (non Indigenous) mates rocking out in the remote Top End. Soon they were creating some of the coolest new music in the country, splicing traditional sounds with electric, and spreading a message of unity. Then, after singer Mandawuy