If my memory serves me correctly, It is the song they use in Corscant when Padme/queen amidala and the gang arrive. It is found in Episode 5 when Lando is introducing the gang to Cloud City.
I do not know why I paid attention to this, I am just bringing it up since we got on the subject of Musical Scores for STAR WARS
Something I would like to randomly bring up though is that I have noticed people online saying the Obi Wan / AniVader fight was just for glimmer and eye candy. I have this statement to provide my case on why the Obi Wan / AniVader fight is actually the best fight in STAR WARS
The point of the twirly-thing was that they both were looking for a point of attack and couldn't find one until they both went for the SAME one - resulting in a saber lock, which prompted both to attempt a force push, which also happened simultaneously. (Anakin and Obi-Wan often do similar twirly spins into attacks - it re-forms your grip while you look for the perfect strike zone.)
The overall point was the tragedy of how well they new each other's styles and how similar they could be.
It should be obvious.