Emerald Web was an American musical duo, made up of the husband-wife team of Bob Stohl and Kat Epple.[1] Founded in 1978 and active through the 1980s, Stohl and Epple were pioneers in New Age, ambient, and electronic music. History[edit] In the early 1970s, Bob Stolh and Kat Epple met at a jam session at the University of Florida. They relocated to Connecticut and established Emerald Web in 1978.