Daniel Boone was an American pioneer, frontiersman, and folk hero. He is most famously known for his exploration and settlement of what is now Kentucky, which was then part of Virginia, but on the other side of the Appalachian Mountains. Debby Boone is an American singer, author, and actress. She is best known for her 1977 hit single 'You Light Up My Life', which spent a then-record ten weeks at No. 1 on the Billboard Hot 100 chart.