"Chicago IX: Greatest Hits Expanded" is a must-have CD for any fan of classic rock and pop. This expanded edition brings together the most iconic tracks from Chicago's early years, including timeless hits like "25 or 6 to 4," "Saturday in the Park," and "If You Leave Me Now." The collection features remastered audio for superior sound quality, along with bonus tracks that provide deeper insight into the band's prolific output during their peak era. Rhino, renowned for its dedication to preserving music history through high-quality reissues, ensures this release meets audiophile standards. Chicago stands as one of America's most successful bands, blending rock with jazz and pop influences since their formation in 1967. With over 100 million records sold worldwide and multiple Grammy Awards, Chicago has left an indelible mark on music history.