The nightclub where the band is performing in the opening scene is a real place. Gazzarri's was a nightclub on the Sunset Strip in West Hollywood, California. Some famous bands including The Doors and Van Halen performed there. Gazzarri's opened in 1967 and closed in 1993. It was Demolished in 1995.
One of the songs performed by the murderer in this episode is "Wind Up" from Jethro Tull's album Aqualung.
The singer drives a white De Tomaso Pantera sports car. Ford Motor company who provided vehicles for the series sold the Pantera at their Lincoln-Mercury dealerships from 1972 to 1975.
In the last season of the show this same white Pantera belonged to another rock star who was involved in murder in Girl on the Road (1979). A Pantera was also seen in an earlier episode, Death Leap (1973).
In the last season of the show this same white Pantera belonged to another rock star who was involved in murder in Girl on the Road (1979). A Pantera was also seen in an earlier episode, Death Leap (1973).