Question: What style of music performance do both Singspiel and La fanciulla del West belong to?
Sentence (from "La fanciulla del West"): La fanciulla del West ("The Girl of the West") is an opera in three acts by Giacomo Puccini to an Italian libretto by and , based on the play "The Girl of the Golden West" by the American author David Belasco.
Relevant evidence: Yes