If you can make it through the 4-5 inches of snow that are sure to shut down our fair city this weekend, we’ve got some picks to round out your weekend of snowball fights and hot chocolate. FRIDAY: >> Velvet Lounge celebrates its sixth birthday this weekend with a Friday lineup of Meredith Bragg and the Terminals, The Small Shouts (featuring Olivia from Washington Social Club), Debutants, and Greenline. >> On-the-rise female rapper Jean Grae…