By David Cohen* Opinion - They say a week is a long time in politics, but a month of local music can feel longer still. We're not even halfway through NZ Music Month, and already it feels like it's had a rather good running time. Long ago, the country's once solidly left-field acts morphed into the music of choice for putting callers on hold, says David Cohen. Photo: 123rf History never repeats, at least according to one of the better-known bands the country is meant to be in the middle of celebrating - as has been the case since the turn of the century. When it comes to dedicated days, weeks and months, though, history also high-rotates.