REO is a rock band from the United States that was formed in 1967. The band is best known for their hit single 'Keep On Loving You' which was released in 1981. REO Speedwagon is one of the most successful rock bands of all time, having sold over 40 million albums worldwide. They have had numerous top 10 hits on the Billboard Hot 100 chart and have been inducted into the Rock and Roll Hall of Fame.