A troupe of some two dozen students gathered in a studio at Long Island University’s Post campus in Greenvale to rehearse a dance number set to a well-known rock song. Moving to a staccato refrain from a keyboard player, the company alternated between complex arm movements and exaggerated full-body poses. "So the first pull is big," chorographer Lorna Ventura instructed two of her main dancers, thrusting her arms out dramatically and arching her back to demonstrate, "and the second pull is even bigger." The song under review: Foreigner’s "Urgent," a strutting rock number from 1981 that’s twice as old as the kids performing it. "Urgent" is a centerpiece of Foreigner’s the new jukebox musical, "Feels Like the First Time," featuring a cast of mostly LIU students under the direction of Broadway veteran Adam Pascal. Following its world premiere at the university’s 134-seat Little Theater, the show will hold a weeklong run. How one of rock’s biggest-selling acts wound up debuting a musical...