Johnnie & Joe were an American rhythm and blues duo from the 1950s, composed of Johnnie Louise Richardson and Joe Rivers. Their musical style was characterized by their harmonious, soulful vocals over simplistic, rhythm-driven instrumentals, a sound that was prominent in rhythm and blues at the time. The duo is best known for their hit "Over the Mountain, Across the Sea", which reached number eight on the Billboard Top 100 chart in 1957. Despite their limited discography, Johnnie & Joe's distinctive sound and successful single have granted them a notable place in the history of rhythm and blues music.