Chicago IX: Chicago's Greatest Hits, '69-'74 (Atmos/Quad) (Blu-ray)

Dolby Atmos (TrueHD 7.1), Quadio (DTS-HD MA 4.0), & Hi-Res Stereo Audio (DTS-HD MA)

50th Anniversary Edition Of Chicago's Greatest Hits
Includes "Saturday In The Park," "25 Or 6 to 4," and "Feelin' Stronger Every Day"