Bird trills fill the air at Pam and Tony Barich's vineyards at New Residence, but inside a tin shed on the property, their son Adam is making wines to a different tune.
The family have been using biodynamic farming principles to tend to the property on the banks of the River Murray in South Australia since 1976.
In the 90s, they started using audio boxes in their vines that play resonating sound frequencies based on birdsongs.
