Italian tenor Vittorio Grigolo is a swaggering force as the titular boozy poet who reminisces about his past loves, in L.A. Opera's presentation of composer Jacques Offenbach and librettist Jules Barbier's French romance, which is sort of an operatic equivalent to the old Willie Nelson and Julio Iglesias standard "To All the Girls I've Loved Before." German soprano Diana Damrau counteracts the often-lighthearted atmosphere with a steadying presence and gravitas, and So Young Park steals the show as a windup doll come to amorous life. Plácido Domingo conducts most performances with a brash aplomb, and his wife, Marta Domingo, directs and oversees the playful production design. Some roles are double cast, including soprano Liv Redpath as Olympia. Portraying the Four Villains, Nicolas Testé is an ominous and versatile presence (on opening night, Testé was ill but still managed to act the role while Wayne Tigges, in an interesting twist, covered for him by singing from the orchestra pit). The vocal cast also includes Kate Aldrich and Kate Lindsey.