Despite critics’ cheerleading, breakthroughs for U.K.-based funk acts in America have been few and far between. Such heroes of the British Empire as Soul II Soul and Brand New Heavies came and went in a hurry in the country that invented soul music, thank you. Jamiroquai, representing what acid jazz might have sounded like in Stevie Wonder’s house circa 1976, operated true to form-big noise at home, cult item in America-until a track from 1996’s Traveling Without Moving became an MTV staple.