Country and western and Western swing

Country and western noun - A simple style of folk music heard mostly in the southern United States; usually played on stringed instruments.

Western swing and country and western are semantically related in folk-style music topic. In some cases you can use "Western swing" instead a noun phrase "Country and western", when it comes to topics like country and western music.

Country and western and western swing are semantically related in folk-style music topic. You can use "Country and western" instead a noun phrase "Western swing", if it concerns topics such as country and western music.