FRIDAY: >> The 18th Street Lounge’s regular Wednesday night reggae stars SEE-I are at the Rock and Roll Hotel to celebrate the holidays with some friends who are sure to get you dancing too — DJ Mat the Alien and remix artists Fort Knox Five. Tickets for the Happy FKX-XMas are $10. >> Rufus Wainwright begins a two-night stint at the 9:30 Club tonight with his sister, Lucy Wainwright Roche. Tickets are still available for…