FRIDAY: >> The Basilica of the National Shrine of the Immaculate Conception offers its annual Christmas Concert for Charity tonight. The Basilica’s professional choir (featuring our very own DCist Charles!) will perform, followed by the choirs and orchestra of Catholic University. Admission is free, with a free-will donation to benefit the Spanish Catholic Center, a haven for immigrants to the Washington, D.C., area since 1967. The center provides services at locations in Mount Pleasant and…