Tim Finn , "Shoop Shoop Diddy Wop Cumma Cumma Wang Dang" by Monte Video and the Cassettes and "Overkill" by Men at Work . 1986 Starship - "We Built This City" January 25 for 4 weeks Feargal Sharkey - "A Good Heart" February 22 for 2 weeks Dionne Warwick - "