With Arun Luthra multiculturalism is a fundamental tenet of his artistic expression, but it also informs his ethos as a person. Raised in a family about as international as they come, it’s second nature. While his residency at the University of Wisconsin-Madison concludes in a few weeks, interested folks still have a couple of opportunities to take in what he has to offer — including at the BlueStem presentation of his Madison-Konnakol project — before he jets off to New York to resume his full professional schedule.