[[King Sejong]] of Joseon reformed or formalized ''aak'' further in the early 15th century, combining the formal ''aak'' tradition with ''dangak'' (唐楽, Tang music) and ''hyangak'' (郷楽, native Korean "village music") traditions into a new form of formal ritual ''aak'' court music.<ref>Gallery labels, "Story of King Sejong," King Sejong Square, Seoul.</ref> | [[King Sejong]] of Joseon reformed or formalized ''aak'' further in the early 15th century, combining the formal ''aak'' tradition with ''dangak'' (唐楽, Tang music) and ''hyangak'' (郷楽, native Korean "village music") traditions into a new form of formal ritual ''aak'' court music.<ref>Gallery labels, "Story of King Sejong," King Sejong Square, Seoul.</ref> |