Worst Duke Ellington Tune?

It's an odd question, but let me explain... When I was getting into jazz 20-25 years ago, I only knew Miles Davis and John Coltrane. Late 50s Bebop had hooked me. So, I rented some Jazz CDs from the library to explore further, one of them being a Duke Ellington album. I can't remember what it was, but the cover featured Ellington with that big smile, slicked backed hair and oversized suit. The tunes weren't what I wanted to hear at the time. Orchestral big band, but on the generic side. I remember almost nothing about them other than they sounded overproduced. I pigeon-holed Ellington as an "entertainer" and always kind of wondered why his name was so often dropped.

Fast forward a quarter century and I'm in awe of the Duke. The path lead from Caravan up to and through Monkey Jungle. He absolutely deserves his spot at the top of the Jazz elite.

Now, I'm teaching a college course on art and aesthetics that features jazz. I want to lead my students on a similar path-- finding joy in something or someone who, to begin, was met with indifference. I can't find that original album that turned me off, but I need to find something similar.

So: What is the worst Duke Ellington tune?