I didn't know this was Sousa. I mean, I'm not surprised.

[randomness]

From its Wikipedia article:

Python member Terry Gilliam, its only American, decided to use the theme. He has said the piece was chosen because the troupe thought it could not be associated with the program's content

And here's something that uses it too. From last summer:

Comments

[stolen_tea]

Yep! I am playing in the Ballard Sedentary Sousa Band, and there's always a surprised reaction when this piece comes up. :)