Edgecentral: Monday Too Far Away: Rainbow Serpent Fest 09 by Graham St John. You have to travel a long way up river to find him. So far above the headwaters there’s barely a trickle. Under the withering south-eastern Australian sun in January, under the direct pressure of quality sound, in that primal real estate between the speaker stacks on Monday afternoon, on the Market Floor, Rainbow Serpent Festival. It doesn’t get much better than this. And somewhere, amid all that optimising, under all that tweaking of sophisticated hardware, in a vibrant undergrowth of bronzed bodies and baked wet ware, the