If crooner Kem was on your Christmas list this year, you’re in luck. The Detroit native who released his Christmas CD “What Christmas Means,” a few weeks ago will head to selected markets to perform in front of his fans. “Holiday Moments with KEM: A Conversation About What Christmas Means” includes an acoustic performance from the two-time Grammy nominee and an intimate conversation with his listeners about the spirit of the holiday season and what it means to him and his music.