Sonny Osborne is an American bluegrass musician, best known as a banjo player and singer. He was born on January 29, 1937, in Hyden, Kentucky. Along with his brother Bobby Osborne, he formed the popular duo The Osborne Brothers, which gained fame in the 1960s and 1970s for their innovative sound and harmonies. The Osborne Brothers were influential in the bluegrass genre, blending traditional elements with modern influences. They are known for hits like "Rocky Top," which has become a bluegrass standard. Sonny's unique banjo style and vocal abilities contributed significantly to the duo's success and legacy in American music.