Question: An egg of Columbus or Columbus' egg, refers to a brilliant idea or discovery that seems simple or easy after the fact, the expression refers to an apocryphal story in which 1492, a Spanish-based transatlantic maritime expedition led by Christopher Columbus encountered the Americas, a continent which was previously unknown in Europe, leading to the colonization of the Americas?
Sentence (from "Women in Latin music"): Ethnomusicologists have measured ceramic, animal-bone, and cane flutes from the Inca Empire which indicate a preference for women with a high vocal range.
Relevant evidence: No