question: What harmed the music industry in the 20th century according to Shawn Vancour ?
answer: the commercialization of classical music
turker_answer: According to Shawn Vancour , the commercialization of classical music is what harmed the music industry in the 20th century .
rule-based: The commercialization of classical music harmed the music industry in the 20th century according to Shawn Vancour .