Question: What is the place of birth of the composer of film Bad Man'S River?
Sentence (from "Waldo de los Ríos"): De los Ríos was born in Buenos Aires into a musical family; his father was a musician and his mother a well known folk singer; he studied composition and arranging at the National Conservatory of Music under Alberto Ginastera and Teodoro Fuchs.
Relevant evidence: Yes