<Ul> <Li> The ceremony's theme was "Hello Earth". </Li> <Li> Singer songwriter Delta Goodrem headlined the Opening Ceremony of the Commonwealth Games, performing her song "Welcome to Earth". </Li> </Ul> <Li> The ceremony's theme was "Hello Earth". </Li> <Li> Singer songwriter Delta Goodrem headlined the Opening Ceremony of the Commonwealth Games, performing her song "Welcome to Earth". </Li> <P> Australian lawn bowls athlete Karen Murphy took the athlete's oath, while Australian netball coach Lisa Alexander took the coaches oath and athletics official Desmond Johnston took the officials oath . </P>

Who sang at the opening ceremony of the 2018 commonwealth games