Savion Glover, and his feet, tapped out a show as if the audience wasn't there

A muse and a band seemed to battle it out for Savion Glover's affection Saturday night. At times during the now-rapt, now-meandering "Dance Holiday Spectacular" performance at George Mason University's Center for the Arts, the tap luminary seemed to focus his attention on his musical accompanists in the jazzy band Dance Candy. His feet rapped out rhythmic remarks and challenges for the benefit of one instrumentalist or another, he absorbed the musician's responses, and he volleyed his own ripost...