Docter conceived Soul in January 2016, inspecting the origins of human personalities as well as concept of determinism. Throughout his very first Assembly with Jones, he pitched The theory about spacetime involving souls with personalities. The movie's producers consulted many jazz musicians, together with Herbie Hancock and Terri Lyne Carrington, https://zion5n04e.blogdon.net/an-unbiased-view-of-soul-42829637