While her colleagues scramble to devise a novel concept for every disc they release, French soprano Véronique Gens has been steadily developing a project she began six years ago with a disc exploring the French Baroque tragédie lyrique from Lully to Rameau. This release, the third in her series focusing on the tragic heroines of 18th- and 19th-century French opera, skips ahead a century. And judging by the musical riches she’s still unearthing, she may well stretch it to a fourth.

Some of the repertoire here will be familiar to aficionados of grand opera: Gluck’s Iphigénie (1779), Berlioz’s Dido (1858) and Verdi’s Elisabeth (in her French incarnation) jostle with the heroines of the forgotten Auguste Mermet’s Roland à Ronceveaux and Kreutzer’s Astyanax. Most of these women sing in the face of massive personal and/or political crises, and Gens’s distinctive ability to sound both utterly refined and completely unhinged at the same time ensure that each character, however obscure, comes to life with equal vigour. Many of the arias here were originally written for singers who would today be classified as mezzo-sopranos but their low, meaty tessitura holds no perils for Gens, whose lissome soprano has always been...