For faces, you simply need a message script like the others have said. No other way in XP. Ccoa's UMS that you were linked to is probably the best of them, though I also like DubeAlex's AMS. They can sometimes be complicated to figure out how to use properly if you're brand new to RPG Maker, so it's usually best if you take things slowly to figure out what is what and have at least a little practice before you try to use one.
For music, either use the resource manager and import the song into your game, or just copy/paste the song file directly to your game's folder. XP can play a lot of different types, though you'll have to play with it to see the best types to use that loop properly.