Celtic music originated from Celtic people groups including those from Cornwall, Britain, Ireland, Scotland, and the Isle of Man. It has a wide variety of subgenres and melodies that often rise and fall within chords. Adrian von Ziegler began producing Celtic music at age 16 using music software. He avoids adding lyrics to his songs. Bruno Miguel Correia José, known as Brunuhville, started uploading his original Celtic music creations to YouTube in 2005 under different usernames. Some of his popular songs include "King of the North" and "Hero's Journey."