Mason Dixon is a country music band that gained prominence in the 1980s. Composed of Frank Gilligan, Jerry Dengler, and Rick Henderson, the band is known for its fusion of traditional country sounds with contemporary elements. Their most influential work, "Lonely Tonight," reached number 42 on the Billboard Hot Country Singles chart in 1984. Despite their limited mainstream success, Mason Dixon holds a significant place in country music history for their unique sound and contribution to the genre's evolution.