There are two bands named Westworld: The current version is an american band formed in 1998 by vocalist Tony Harnell and guitarist Mark Reale. Soon, bassist Bruno Ravel and drummer joined John O'Reilly and they released their first album in 1999. Harnell was the lead vocalist for TNT. The original Westworld were a British three-piece rock band active in the late 1980s. Named after the sci-fi film Westworld they were formed in 1986 by former Generation X (band) guitarist Bob "Derwood" Andrews and American vocalist Elizabeth Westwood. The line up was completed by drummer Nick Burton.

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