I had a similar situation and decided on track lighting. With track lighting you mount the tracks and can then attach multiple independent spotlights. In addition to positioning the spotlight you can easily move their position on the track. This has saved me many times when we re-arranged the room. We did one track down either side of the room which allows ...
Number of fixtures is easily reduced by using long fixtures:
4 or even 8 foot fluorescent tubes, for instance.
45 foot long LED strip lights appear to be available, on a casual
Strings of small lights on cords (fairy lights, Christmas lights) hung from hooks.
Whether that's the lighting you want is a whole different question and mostly off-topic as ...