How Did Nashville Become the Hub of Country Music?
Most of the credit for Nashville becoming Music City belongs, oddly enough, to an insurance company. In 1925, the National Life and Accident Insurance Company had the ingenious idea of launching a radio station in Nashville to promote its business. They called it WSM for their company motto "We Shield Millions" and they mostly played classical and easy-listening "dinner" music. But Saturday nights were reserved for the WSM Barn Dance, an evening of live (and lively) country music.
Read the article over at HowStuffWorks here.