Norristown PA, United States (1951 – 1987) John Francis Anthony “Jaco” Pastorius III (December 1, 1951–September 21, 1987) was an American jazz musician and composer widely acknowledged for his skills as an electric bass player, as well as his command of varied musical styles including jazz, jazz fusion, funk, and jazz-funk. He is also regarded as one of the most skilled and influential bass players of all time. His playing style was noteworthy for containing intricate solos in the higher register.