No Doubt About It (Hot Chocolate song) was written by Mike Burns, Steve Glen and David Most The song deals with the experiences of a man who witnesses a UFO landing. No Doubt About It (Hot Chocolate song) "No Doubt About It" was a May 1980 single, by the British pop group Hot Chocolate. It became their highest-charting hit of the 1980s, peaking at number 2 on the UK Singles Chart, a position "You Sexy Thing" had also reached five years before. The two songs are, however, outdone by their 1977 chart-topper, "So You Win Again", which was Hot Chocolate's only Number 1 single in the UK.
Love the One You're With Isley Brothers, whose unique gospel-driven cover of the song sent it to the charts again reaching number three R&B and number eighteen pop, giving the group their fifth US top 40 pop single. UK pop group Bucks Fizz covered the song as their eighteenth single in 1986. The single, released in August, was the follow-up to the group's comeback top ten hit "New Beginning (Mamba Seyra)" and was seen as a make or break release. Ultimately the song peaked at a low No.47 in the UK Singles Chart during a three-week run. In a review, music magazine "Number One" said