Almost all of the music in this pack is from Adrian Von Ziegler, who makes some awesome Celtic music.
You can find his channel here: https://www.youtube.com/user/AdrianvonZiegler

Another song is called Battle For Camelot, by Tartalo Music:
https://www.youtube.com/watch?v=NBpu3Fhvkdc

Yet another song is Warpipes by Antti Martikainen:
https://www.youtube.com/watch?v=1lLdfIDCZc8

I am not claiming credit to any of the music, but just the pack layout and creation.
Please do not use this pack to gain revenue in any way.

I hope you enjoy minecraft with real music!