The Osborne Brothers, comprising Sonny Osborne (October 29, 1937 – October 24, 2021) and Bobby Osborne (December 7, 1931 - June 27, 2023), was an influential and popular American bluegrass act during the 1960s and 1970s (and until Sonny Osborne retired in 2005). They are probably best known for their 1967 country hit song, "Rocky Top", written by Felice and Boudleaux Bryant and named after a Tennessee location. The first known public appearance of the Osborne Brothers was in 1951. Read more on Last.fm