When Ne-Yo resuscitated his career with guest turns on Pitbull’s “Give Me Everything” and Calvin Harris’ “Let’s Go,” you knew he’d double down on dance pop with his new album. But R.E.D. isn’t as alienating as you’d expect. The radio star has an effortlessly smooth voice that radiates good spirits -- recalling Michael Jackson circa Off the Wall -- and it serves him well on flashy rave tunes like “Let Me Love You (Until You Learn to Love Yourself),” “Be the One” and “Shut Me Down.” For traditional R