Friday
December 18
Poppy Christmas
Go for unabashed pop-culture glee by putting on a Santa hat and belt out holiday tunes by the likes of Mariah Carey, Justin Bieber, and David Bowie, while their music videos play behind you. The Xmas Pop Sing-along party will also have free milk and cookies, a “worst holiday sweater” contest, and eggnog drink specials.
9:30 pm at Union Hall [702 Union St. at Fifth Avenue in Park Slope, (718) 638–4400, www.union
Saturday
December 19
Yule be a wizard
In the books, Harry Potter spent his holidays alone at school, but here in Brooklyn, he throws a big party! Wizard-rock band Harry and the Potters hosts an all-ages Yule Ball concert today, with performances from arch-rivals Draco and the Malfoys, Internet sensation the Potter Puppet Pals, and more.
5 pm at the Bell House [149 Seventh St. between Second and Third Avenues in Gowanus, (718) 643–6510, www.thebe
Sunday
December 20
Doin’ nuttin’
Today is your final chance to catch the Gelsey Kirkland Ballet company’s gorgeous production of the holiday classic “Nutcracker,” which gives main character Marie a more active role in dancing with her nutcracker prince.
Noon and 5 pm at the Gelsey Kirkland Academy of Classical Ballet (29 Jay St. between John and Plymouth Streets in Dumbo, (212) 600–0047, www.gelse

Monday
December 21
Irresistible force
The opening weekend crowds should have died down, so you can leave your spoiler-proof bunker and catch a screening of “Star Wars: The Force Awakens” tonight. It is playing everywhere, but try for a screening at the BAM Harvey Theatre, which has the largest 3-D screen in the borough — and at 836 seats, is unlikely to sell out.
8 pm at BAM Harvey Theater [651 Fulton St. at Rockwell Place in Fort Greene, (718) 636-4100, www.bam.org]. $18 ($13 children).
Wednesday
December 23
Farewell, folks!
Brooklyn’s roots music royalty is turning out tonight to say goodbye to musician Willy Gantrim, who is moving to Nashville. Catch him play one last set, along with Spirit Family Reunion, Feral Foster, Joanna Sternberg, and the Old Scratch Sallies.
9:30 pm at the Jalopy Theatre [315 Columbia St. between Hamilton Avenue and Woodhull Street in Red Hook, (718) 395–3214, www.jalop
