The Blue Sky Boys are a brother duet consisting of Earl Bolick and Bill Bolick from East Hickory, North Carolina. They began performing in 1935 and first recorded for RCA in 1936. The Blue Sky Boys play in the Appalachian, Folk style and are known for their tight harmonies and religious themes. Influential songs by The Blue Sky Boys include "Turn Your Radio On," "Kentucky" and "Midnight on the Stormy Sea." Their career spanned from 1935 to 1975. They recorded on the RCA, Starday, and Rounder labels. Bear Family Records and Copper Creek have released reissue CDs.