sentences:  The singles "Rigor Mortis", "Mambo Witch" and "Colosseum Crash" (featuring guest vocals by Dead Kennedys frontman Jello Biafra) were also chart-topping hits.New members Fedjean Venvelt (guitars) and Peter Boone (keyboards) joined the band for their first US tour in 1989.Their 1990 album, "Kiss of Fury", featured the track "The Parallax View", which was also a successful single and saw the band moving towards more of a guitar-based sound.