Bakersfield is a city in California and the county seat of Kern County. The city is a significant hub for both agriculture and oil production. Kern County is the most productive oil producing county, and the fourth most productive agricultural county (by value) in the United States. Industries include natural gas and other energy extraction, aerospace, mining, petroleum refining, manufacturing, distribution, food processing, and corporate/regional headquarters. The city is also the birthplace of the country music genre known as the Bakersfield sound.