Hopping from label to label, Alan Curtis and his ensemble Il Complesso Barocco have managed to notch up an arsenal of Handel opera recordings, alternating between the composer’s more familiar works – Ariodante, Alcina and Rodelinda – and lesser-known gems such as Floridante and Ezio. Now the group has tackled what is
arguably Handel’s greatest stage
work, Giulio Cesare in Egitto.

The
 cast, even by Curtis’s luxurious
 standards, is remarkable. Marie-
Nicole Lemieux’s billowing, 
fruity contralto is gripping in the 
title role, whether she’s singing up
 a storm of coloratura (her Empio, diró
 is fabulously ferocious) or basking in
 the reverential stillness of Alma del gran Pompeo, delivered not only with exceptional breath control and tonal beauty, but with moving sincerity. Indeed, that sense of sincerity underpins every performance in this recording.

Karina Gauvin’s Cleopatra – one of Handel’s most varied and challenging female roles – is also sensationally sung (Gauvin’s full-bodied, opalescent soprano is one of the finest of its type) and delicately characterised, from the flirtatiousness of Venere bella to a poignant Se pietà and a breathtaking Da tempeste.

While this dynamic duo might on its own make a triumph of this set, they’re well matched by their colleagues. Romina Basso’s refinement...