Nice and very responsive, well done. I searched for "Imeprial March" (the John Williams Wiener Philharmoniker version) and this was one of the highest ranked results: Inauguración del Ferrocarril (by Nathan Stornetta). I kind of chuckle thinking about what a happy empire this would be with that theme song. And of course it also answers my initial research question...which national anthem is highest ranked for Imperial March. The answer is Taiwan...make of this what you will. Star Spangled Banner is the second one a bit down the results list.