In this work, the character of Public Opinion forces the titular character to travel to the titular location in order to bring Eurydice [yoo-RID-uh-see] back.
Carl Binder compiled the overture to this work, in which a female character sings a duet with another character who can only buzz since he is disguised as a beautiful fly with golden wings. Another character in this work, who sings about formerly being the King of Boeotia [bee-OH-shuh], is the appropriately named John Styx, who looks after another character. In this work, the character of Public Opinion forces the titular character to travel to the titular location in order to bring Eurydice [yoo-RID-uh-see] back. For 10 points, name this Jacques Offenbach operetta that includes a tune called the "Infernal Galop," to which the can-can is often performed. 
Carl Binder compiled the overture to this work, in which a female character sings a duet with another character who can only buzz since he is disguised as a beautiful fly with golden wings.
Orpheus in the Underworld [or Orphee aux enfers] 