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MARCH 7 & 8

Isadora Duncan sent shock waves through art circles when she removed her shoes. Toe-shoe-clad Joffrey Ballet dancers writhed and squirmed to rock ballads, raising the hackles of classically minded critics. Mark Morris put boys into pointe shoes, setting the dance world on its ear again. Now Barry Blumenfeld threatens to make dance history with an even more unlikely innovation. Modern dance and…tap? Like the fusion movement in jazz, Blumenfeld’s “Tap Fusion” is certain to cause heated debates among dance aficionados. Purists will scoff and say it isn’t tap at all, that he’s really doing modern dance and just happens to have a pair of clackers on his feet. Others will praise the innovation, say it’s really “now” and just the shot in the arm dance needs. Then there will be those who don’t understand it at all. But it doesn’t even have to be all that deep. It’s a lot of fun, this tap fusion thing. It swings. It makes you think. It’s a two-fer. And if you catch him now, you’ll get in on the ground floor. When modern-tap becomes as de rigueur as Bill T. Jones’ studded jockstraps, you can say you saw a pioneer of the movement early in his career. At 8 p.m. at American University’s Experimental Theater, 4400 Massachusetts Ave. NW. $8. (202) 885-2787. (Holly Bass)