lightrail

So I'm trying to decide if a light rail 4.0 or 3.5 (light mover) would be beneficial with this 12 plant sketch up or should i line up all 4 lights over top just the 6 plants in a row and not expand to the 12? The lights are hlg scorpion diablos (the light hang height is not proper in the sketch...

I have been unable to find any information about using a lightmover on a LED fixture, but I finally found someone who is testing this out: