The word classical is not reserved for European arts only. Most cultures produce classical works in all aspects of the arts. So the higher arts of any traditional society can, therefore, be called classical works.
Classical African American music means art-forms like jazz. Africa also has a very ancient tradition of “African classical music” going back to before the royal courts of Sundiata in Ancient Mali, and the Ezana in Ancient Abyssinia and Ancient Egypt. 1)