Spent the day in the studio testing out the lighting.
I struggled at first to find the correct set up to achieve the desired effect, but eventually found a set up that worked quite well.
In a dark studio i set a black background and added 2 white diffuser boards to bounce light back into subject.
For the light source i used the soft box with the modeling light on full power the flash on full
The camera was set to rear curtain sync flash mode, with an aperture of f16 and a 2 second shutter drag.