Amid the wash up from a hugely successful Splendour In The Grass, and the news that it now has approval to be even more huge in the future, a word from the corner where modestly-sized music festivals pitch a smallish test. In the suburbs. For your older set. In 2011 the Harvest Festival debuted in Sydney’s western suburbs with moderate ambitions, though the lineup could hardly be called small beer, and the expectation that no one would travel “out there” to see music. It work