Didn't see anything like this, so I'm throwing it in here if anybody wants it. Made it over a year ago.
Technically this is a repost, however it was never put in its own topic before so this should make it easier to find.
It's several different parts of Asgore's theme looped up to meet your musical needs.
Use events to play different parts during different levels of intensity, etc.; practically the whole song is in there.
You can check the properties of the files to know how long they are in order to loop them easier.
Download HereMusic composition & credit goes to Toby Fox
Looping / editing (for ogg & blockland purposes) goes to Seraphim
Now you can make your own intense boss battles or builds, and customize the soundtrack to meet the gameplay.
Use events to schedule / play the songs & check it out for yourself!!