Complex sentence: As a result of the later, she performed with Yoko Ono for the John Lennon Tribute Concert in Liverpool, and then returned to Australia to support Olivia Newton-John and Tom Jones on the Australian legs of their tours.
Split into simpler sentences: As a result she performed with Yoko Ono for the John Lennon Tribute Concert in Liverpool. She returned to Australia to support Olivia Newton-John and Tom Jones on the Australian legs of their tours.