Saul Williams

The Mohawked Williams performs at the Troubadour.  (Robert Gauthier / Los Angeles Times)

Williams performs at the Troubadour . He is touring in support of his new album, “The Inevitable Rise and Liberation of NiggyTardust!”  (Robert Gauthier / Los Angeles Times)

Williams performs at the Troubadour. He likes to tackle big themes — race, war, history, sex.  (Robert Gauthier / Los Angeles Times)

Williams performs at the Troubadour. “While you’re here, just have a good time,” he tells his audience.  (Robert Gauthier / Los Angeles Times)

Although Williams is seen taking a break, he says, “I like urgency and the idea of being in a hurry.”  (Robert Gauthier / Los Angeles Times)