About a year ago, estate owner Peter Yealands started playing classical music from speakers around his vineyard in a grand experiment called "project harmony". He wanted to see if it would increase the vines vigour and resistance. So far there's not much noticable difference to the vines, but estate mechanic and bird expert Wayne Funnell has noticed the estate's free-range chickens are laying larger eggs... 19 percent larger than those chickens who aren't in hen houses close to the music.
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