Producer Joe Gibbs' partner Errol Thompson, better known as "ET", was one of the first studio engineers to get into dub music. In the 1970s he worked (along with "Niney") as an engineer at Randy's Studio 17, Kingston, Jamaica.

Later in life he moved away from the music business and owned a supermarket in North Parade, downtown Kingston, Jamaica. Errol Thompson died from a stroke on November 14, 2004.