En Otra Voz—In its inaugural collaboration with the National Hispanic Cultural Center, the National Institute of Flamenco presents an intricate, stomping, sweaty performance by Yjastros. The troupe will stage a blistering show of contemporary flamenco that remains true to the gypsy roots of the art form. Friday, Nov. 11, and Saturday, Nov. 12, at 8 p.m. at the center's main auditorium (1701 Fourth Street SW). $20, $25, $30. 724-4771.