 Written by vocalist/guitarist Paul Stanley and producer Vini Poncia, "Sure Know Something" reached number 47 on the U.S. "Billboard" Hot 100 singles chart in 1979, and in the Top Ten in some countries around the world.It would become another top ten hit (number 5) for the band in Australia.A promotional video, directed by John Goodhue, was filmed for the single and featured the band on a mock-up of what was their "Dynasty"-era stage show.