Concert· Haarlem
Club RUIS · Superstrings
Club RUIS's "Superstrings" event appears to be a nightclub party or music event night hosted under the Club RUIS banner, likely featuring DJs and electronic/dance music. (I'm not familiar with the specific event details, so for accurate information—like the lineup, venue, and date—you may want to check the event's ticketing page or social media.)