Live music review: Grimes at the Olympia, Dublin

Grimes’s Claire Boucher caused sparks to fly on the final night of her European tour but the pyrotechnics were more literal than she had surely intended.
At the midpoint of this engaging sell-out performance Boucher — who deploys Grimes as stage name, fashion brand and alter-ego — was jolted backwards, her confident smile transforming into a wince.