The Foggy Mountain Boys were an influential American bluegrass band formed in the 1940s. They are best known for their unique blend of traditional Appalachian music and innovative arrangements. The group featured prominent musicians like Lester Flatt and Earl Scruggs, who played a significant role in popularizing bluegrass music across the United States. Their music often included tight harmonies and intricate banjo picking, which became a hallmark of the genre. The Foggy Mountain Boys gained fame through radio broadcasts and live performances, contributing to the growth of bluegrass as a distinct musical style. Their legacy continues to inspire musicians today.