Based on Anakin Starkiller’s suggestion in the sequel editing thread, here’s an EXTREMELY rough edit of Palpatine’s message added to the destruction of Kijimi:
https://drive.google.com/file/d/1qHcMW4tBjqptkFLAo86bjeb44R4vuZzi/view?usp=sharing
I think that it would be easier to extend the Emperor’s music across the entire scene rather than try to scrub the music from his speech.