Complex sentence: Edmonds won the Australian National Eisteddfod Operatic Aria competition in 1969 and was one of the judges at the 51st Adelaide Eisteddfod during April 2006.
Split into simpler sentences: Edmonds won the Australian National Eisteddfod Operatic Aria competition in 1969. As a former Eisteddfod winner, he was one of the judges at the 51st Adelaide Eisteddfod during April 2006.