Bobby Osborne is a bluegrass musician known for his mandolin playing and high lead vocals. Born December 7, 1931 in Leslie County, Kentucky, Bobby Osborne is known primarily for his collaborations with his brother Sonny Osborne in their band, the Osborne Brothers. He was a pioneer in conceiving the now-popular "high lead" vocal trio concept. He has released numerous recordings since the 1950s. Most notably, the Osborne Brothers recordings of "Rocky Top"