The oldest music in the world is generally associated with various ancient traditions, but among the options provided, "Egyptian and Chinese" is the most accurate choice. Both ancient Egyptian and early Chinese civilizations have records of music that date back thousands of years, making them among the earliest known origins of music.
Early American music, European classical, and Hindu chants also have significant historical importance, but they are generally considered to have developed later in history compared to the musical traditions of ancient Egypt and China.