Musicians such as Patrice Rushen often blended soul music with jazz. This combination was quite frequent during the 70s and 80s while more recently, neo-soul music also often has some jazz within its sound.
People that like this blend of soul-jazz music also find that they like smooth jazz music. Many DJ’s that play smooth jazz also play soul that is of a similar vibe to it.
This brand of soul music often takes away the rougher elements of soul, or parts influenced by funk to maintain a smoother, laid-back sound. It is the kind of soul for lounging or just relaxing whilst lying down on your bed.
Where jazz is a strong component, these types of soul-jazz records are popular within the rare groove scene. These are rare and hard to find records that didn’t really make the mainstream cut. You can often find soul-jazz sounds amongst these collections since jazz has never really been a genre of music to dent the popular music charts.