Ladysmith Black Mambazo

Though they no doubt achieved choral perfection mere minutes into their first date, these South African group-singing veterans hit New York near the end of a two-month North American tour that’s surely tightened their harmonies to whatever point lies beyond perfection. Expect a tidal wave of sound (and goodwill) to spill from the relatively tiny stage at B.B. King’s.

Mon., March 19, 8 p.m., 2012