As we start down the long road back to normalcy after months of lockdown, Zac de Silva takes a look at a remarkable way that one Sydney community has coped with the isolation. He speaks to Jenny Moes, a Central Coast resident who had a hand in starting the ‘Mount Colah Cooees’, a chain of cooee calls that echoes through the suburb’s valleys every afternoon. Along the way, he makes some fascinating discoveries about the cultural history of the cooee and its new meaning in our changed world.