Track lighting is adjustable. Some track lighting systems can take a small pendant fixture.

Will something like this work?

Probably less pricey alternatives.

you just need a hook. it's called swagging the light, so maybe searching for hardware for that will get you want you want.

Aspen Creative 21039 Swag Light Kit, Polished Brass · More Info

21401 2 1/2" Large Swag Hook, Brushed Pewter · More Info

I use arc lamps for dining tables often where accessing the electrical in the ceiling is not possible like in a condo where the ceilings are concrete.