Celebrate the 50th anniversary of Chicago's iconic 'Chicago IX: Chicago's Greatest Hits' with an exciting Expanded Edition! This legendary collection, a 1975 chart-topper selling over five million copies, is now bigger and better than ever. The new edition expands from 11 to a massive 21 tracks, featuring hits from every studio album released between 1969 and 1980. You'll find all the classics like "25 or 6 to 4" and "Saturday in the Park," plus additions like "Street Player" and "Baby, What A B