1986 saw a mammoth 21 singles hit Number 1 on the Official Singles Chart - the biggest of them all that year was The Communards' Don't Leave Me This Way.
The pop duo's cover of the 70s disco classic spent four weeks at the top of the chart and sold 768,500 copies to be the UK's best-seller of 1986, as revealed on new Channel 5 series Britain's Favourite 80s Songs - currently airing on Fridays at 10pm.
Don't Leave Me This Way was the band's first and only Number 1, and is an example of a cover charting higher than the original: the 1977 recording by Harold Melvin And The Bluetones' reached Number 5, while another cover by Themla Houston peaked at 13.
Read more on officialcharts.com