Sadler’s Wells, London Tap, waacking, jookin’, footwork and jit are among the traditional, street and club styles that come together as Michelle Dorrance showcases a startling array of forms and talent The last big US tap dance star to make a splash in the UK was Savion Glover , whose performances centred on extended solos of intense virtuosity. Michelle Dorrance, tap’s current hot property, is a completely different proposition. Her spirit is collegiate, all about collaboration (she was on the