[on his composition 'Water Music'] My music is the sum of who I am as a musician and what interests me. I like to think that it's somehow relevant to what's going on in the world, but it also grows out of the music that I've loved and played all my life. That said, water is increasingly going to become one of the great political battles, particularly as clean water becomes an increasingly scarce commodity. Also, obviously, in Australia - the world's driest continent - how water is used or misused has always been a matter of contention.