It's an amazing piece of march tune. Monty Python made it a international treasure, so we'll never forget John Phillip Sousa's music. They - the Pythons - used this masterpiece as the intro for the show because it was in the public domain and it still is today. Most marching bands in the US have removed this song from their reportoir...
Sorry but this always reminds me of Monty Python, any moment now a large foot will descend. You have to be of a certain age to know what I am talking about !