Chicago is an American pop rock/jazz fusion band formed in 1967 in Chicago, Illinois. They had a steady stream of hits throughout the 1970s and 1980s. Second only to the Beach Boys in terms of singles and albums, Chicago is one of the longest running and most successful U.S. pop/rock and roll groups. According to Billboard, Chicago was the leading U.S. singles charting group during the 1970s. They have sold over 120 million albums worldwide, scoring 22 Gold, 18 Platinum, and 8 Multi-Platinum albums. Over the course of their career they have charted five No. 1 albums, and have had twenty top ten hits.