It would have been hard to predict the smashing success of Celtic Woman, an ensemble of ball gown-clad Irish-born singers Chloë Agnew, Lisa Kelly, Lynn Hilary, Alex Sharpe and fiddler Máiréad Nesbitt.

— They call her “Tinkerbell,” and everyone who has a chance to see tiny Máiréad Nesbitt flit and prance around the Miller Auditorium stage barefoot, sprinkling fairy dust on the audience in her ...