The Shadow (Jessie Eisenborg) is Gavrilo Principe.. of the Black Hand..?.. was it.. of the Black Hand..?.. and 1930's or 1940's pulp novels..?... in Steven Spielberg / Sophia Copolla co-directed, "Superman; man of steel; chapter two..".. for the sombre, piano Imperial March theme John Williams of The Last Jedi.. the Kylo Ren sombre-piano sole piano Imperial March Theme in The Last Jedi... also for Wojciech Kilar...

https://www.youtube.com/watch?v=o9iBgCJSUCA