Read this and answer the question. If the question is unanswerable, say "unanswerable".

Richmond has a significant arts community, some of which is contained in formal public-supported venues, and some of which is more DIY, such as local privately owned galleries, and private music venues, nonprofit arts organizations, or organic and venueless arts movements (e.g., house shows, busking, itinerant folk shows). This has led to tensions, as the city Richmond City levied an "admissions tax" to fund large arts projects like CentreStage, leading to criticism that it is funding civic initiatives on the backs of the organic local culture. Traditional Virginian folk music, including blues, country, and bluegrass are also notably present, and play a large part in the annual Richmond Folk Festival. The following is a list of the more formal arts establishments (Companies, theaters, galleries, and other large venues) in Richmond:

Along with blues and bluegrass, what is a type of folk music traditional to Virginia?
country