Operetta in 2 acts  (4 scenes) on a libretto by Hector Crémieux Recommended age: 10+ Considered to be an essential turning point in the history of operetta, Orphée aux enfers is composer Jacques Offenbach's most significant and renowned work, substantially contributing, in the mid 19th century, at this genre's enrichment, by inserting comedy and persiflage in his work, to reflect the society's problematic matters.  Offenbach and libretist Ludovic Halévy have metamorphosed ...