Answer the following question: Facts: - years active: 1978 -- 1982 - past members: geoff killeen chunn mike chunn greg clark brent eccles roland - caption: citizen band performing live , 1978 - origin: new zealand - name: citizen band - background: group_or_band - image: ' nambassa 1978.jpg citizen band ' , on main stage , Based on these bullet points, write a short biography describing the life of citizen band -lrb- music band -rrb- .
Answer:
citizen band were a new zealand band formed by the brothers geoff and mike chunn , both of whom had previously been members of split enz .