Hall & Oates is an American musical duo formed in 1970, consisting of singer-songwriter Daryl Hall and guitarist John Oates. They are known for their unique blend of rock, pop, and soul, which helped define the sound of the 1970s and 1980s. The duo achieved significant commercial success, with six number-one hits on the Billboard Hot 100 chart. Their most popular songs include "Rich Girl," "Kiss on My List," and "Maneater." Hall & Oates have sold over 40 million albums worldwide, making them one of the best-selling music duos in history. They were inducted into the Rock and Roll Hall of Fame in 2014.