Édouard Lalo’s Le Roi d’Ys was first performed in Paris in 1888. A work of often startling originality, it was hugely admired in its day and still hovers on the fringes of the repertory in the French-speaking world. Elsewhere, however, its outings have been sporadic, so Chelsea Opera Group cannot be too highly commended for tackling it in a very fine concert performance conducted by Paul Wingfield.
The opera derives from the Breton legend of the city of Ys that vanished, Atlantis-like, beneath the ocean. The king of the title, however, is not its central protagonist, and Lalo focuses on his two daughters, gracious Rozenn and imperious Margared, both in love with the soldier Mylio, initially believed a casualty of the recent war between Ys and the forces of the enemy prince Karnac. A pawn in her father’s politics, Margared is to marry Karnac as part of their peace treaty. But her refusal to do so on discovering that Mylio is both alive and loves Rozenn, leads first to the resumption of hostilities, then to her conspiring with Karnac to open the floodgates that protect the city from the sea.
