De acordo com Wookieepedia , referenciado a Star Wars Rebels, a resposta é yes :
The Imperial anthem was a patriotic musical piece adopted by the Galactic Empire. During Empire Day parades, an upbeat version of the anthem was played, representing everything that the Empire stood for. By 3272 LY, on the Outer Rim planet of Lothal, the Imperial anthem was also played before official grav-ball championship matches, as well as on the Empire's fifteenth annual Empire Day.
O hino imperial do universo é uma variação da Marcha Imperial muito mais famosa fora do universo por John Williams.