Complex sentence: This club, located on the East 9th St in New York, had a state of the art video projection system, used in this show to project a combination of prerecorded and live video onto the club's screen.
Split into simpler sentences: This club, located on the East 9th St in New York, had a state of the art video projection system. It was used to show a combination of prerecorded and live video on the club's screen.