Jo Jo Gunne is an American rock band established in 1971 by Jay Ferguson and Mark Andes after leaving Spirit, the psychedelic rock group. The band is known for its blend of rock, pop, and blues, creating a distinctive sound that peaked in popularity during the 1970s. Jo Jo Gunne's biggest hit, "Run Run Run," exemplifies their signature upbeat, piano-driven rock style. Although they disbanded in 1974, their influence can be seen in the fusion of rock and pop genres in subsequent decades.