On Sunday, February 11, 1973 CBS TV aired a star-studded special entitled Duke Ellington…We Love You Madly. Among those paying tribute to The Duke were the band Chicago.
Here’s a rare clip of the group performing Ellington’s “Jump For Joy” on the special in question.
More Chicago: Playback!: Chicago, ’25 Or 6 To 4′ (Live, 1970)