There are multiple artists with this name.
Joint Venture is a post bop quartet consisting of drummer Phil Haynes, bassist Drew Gress, saxophonist Ellery Eskelin, and trumpeter Paul Smoker. They released 3 records from 1987 to 1993, featuring compositions shared between all members.
The German singer-songwriter duo Joint Venture, consisting of Martin "Kleinti" Simon and Götz Widmann, was founded in 1993 in Bonn where they played their first show in October 1993.
On July 5th, 2000 Simon died of a heart attack, bringing an end to the Joint Venture.
Götz Widmann has since been playing solo, but keeping to the style of music played by Joint Venture. He plays shows and records albums.

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