Complex sentence: The song climbed the Australian charts, hitting No.1 on the Kent Music Report chart for 16 February 1981 and 23 February 1981, where it stayed in the charts for 23 weeks, becoming the No.16 biggest selling single in Australia in 1981.
Split into simpler sentences: The song climbed the Australian charts, hitting No.1 on the Kent Music Report chart for 16 February 1981 and 23 February 1981. It stayed in the charts for 23 weeks, becoming the No.16 biggest selling single in Australia in 1981.